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 Post subject: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 7:15 pm 
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Joined: Tue Aug 05, 2008 11:43 am
Posts: 251
Code:
#100 superior puzzles from http://www.sudoku.com/boards/viewtopic.php?t=3585
..........826.174..7.5.9.2...62.38......9......14.59...4.3.7.9..391.265..........
.5......73..2.65.9.4..5.6....7.68...............42.8....5.9..2.6.28.3..49......1.
..........2.8.7.6.64.3.1..21..9....7....7....3....5..47..1.6.83.9.5.2.7..........
8.......1...934.....6...3...5..1..8..4.6.2.1..1..7..3...9...2.....248...5.......7
...67......294...5......98.29....74...4...8...86....31.18......5...162......83...
.8......3...31.....4...5.19.517....4..2...6..7....619.92.8...5.....23...5......4.
..9.24..38.........2...681..6...29.1.5.....2.4.26...3..975...6.........55..96.1..
......4.....8319..169..7...9..1..2...2.....3...5..2..7...6..382..4398.....6......
..........7.2..4....94.17.3.6.5..1..2...1...4..5..6.8.5.83.79....4..9.3..........
65..8...4..9...8.....2.7....8....2..29..4..58..6....4....1.3.....3...4..1...5..36
.7..6.8.....5......421...76238..4.......2.......8..32745...913......6.....9.1..4.
.2..16..339..5......69.....98..35..1.........4..79..56.....14......8..255..46..1.
5.......1..14.57....42.75...4.....9....6.9....3.....6...67.19....78.23..8.......5
...6.2...4...9...1.5.8.4.7...3...2...21...38...7...5...7.3.9.5.9...6...4...2.7...
...5.9.....8...3...3.7.2.6..16.5.93..9.....5..43.2.71..7.4.8.2...4...1.....2.5...
.....7.....6.4.5.8..2..3.9..4.1....99...2...63....9.4..5.8..9..6.1.7.8.....3.....
..36.89.....4.1.2.9...3...6.8.....59..5...1..72.....6.4...8...7.3.9.7.....23.58..
4.........8.1..5......42.6..9....3....2.9.6....3....5..1.48......6..7.9.........2
19.6.8.4368.....97.........2..7.4..6....3....3..5.1..2.........43.....5185.1.7.64
.6..7..9.9.16..5...8..9.....1.....3.7.8...9.2.9.....6.....5..4...4..37.1.3..8..2.
7......5..6.....48..345.......8..6.5....3....8.2..7.......921..94.....8..1......9
.7.2...6.4...3...1..94.68....7...1.6.3.....5.5.1...4....87.42..1...2...5.9...3.4.
...8.5....1..3..9...4.9.8..7.......1..32.74..2.......7..9.8.6...5..6..4....3.2...
..1..49.......5....6....2.48...3...57.......15...2...61.9....4....7.......28..3..
.....2...4...9...1.5.8.4.7...3...2...21...38...7...5...7.3.9.5.9...6...4...2.....
...........4.8.1...8.6.7.5.95.2.8.472...6...371.4.3.29.6.8.2.3...1.9.4...........
.2.....3...7.2.1....96.82...6.7.5.2...5...8...9.2.1.6...28.65....1.7.9...5.....1.
....6....3.7...5.6..13.98..7.5...1.8...841...1.8...2.3..32.69..8.9...3.2....8....
..57.38...8..9..5.9.......63..6.4..2.4.....6.6..5.9..77.......4.3..4..2...42.89..
..7.3.5...6.9.7.3..1..6..9..23.8.67...9...2...86.2.91..5..9..6..3.5.4.2...2.1.4..
.5.....6....7.4.....8.2.9..3..4.2..9.29...65.4..9.5..7..1.3.2.....8.7....6.....3.
..25.74..6..9.3..8....1....9.4...5.28.......92.3...8.7....9....7..8.6..3..87.26..
.1.7.8.4.6...1...2.4.....8..6.5.2.3.2...9...4.9.3.1.2..2.....6.9...6...5.3.8.5.9.
.1..2..3.5..6.4..8..2...9..1..2.5..3..4.8.6..8..4.6..1..8...1..6..7.3..9.9..4..5.
..6..9..1..5....7.93...64.......39..314...728..98.......83...64.5....1..7..1..8..
..8...6.....931...5.......3.2..1..9..8.4.5.3..6..7..1.9.......4...142.....7...5..
6..319..7...2.4....7.......18.....697...6...124.....75.......9....4.8...9..753..6
..........972.138..4.9.8.2..3.1.254...........193.6.7..8.7.9.3..768.315..........
.........14..7......51.69...21..5.8.4.......7.8.7..62...93.45......2..18.........
........5.7.6.....6.9.7....8...2.7...1.8.4.9...4.9...3....4.8.6.....2.3.2........
.7.6.4.3..865.912............78.256.....9.....184.63............917.865..5.2.1.8.
..1.2...8..945.6..3....8.....7.....4.3.619.2.9.....1.....7....5..4.628..7...9.2..
1.3....6.2......49.9.8..1..37.1.......4.9.2.......6.14..2..3.9.45......2.3....5.7
.328.1..51...53...5.4......8..6..54.....1.....53..4..6......2.8...42...12..1.746.
.1.5.......23....4..8...37.....1..25...6.4...58..9.....37...2..6....78.......5.9.
.2.....4.8...4...3...7.5....89...56.1.......7.57...21....9.8...4...3...9.6.....5.
4.......7..3...2...7.6.3.9...6.8.7.....9.5.....2.4.9...5.3.4.8...7...6..8.......5
61.8.5.925.......1..4.3.8..2..4.9..3..7...1..1..3.7..9..9.8.5..4.......883.1.4.67
61.8.5.925.......1..4.3.8..2..4.9..3.........1..3.7..9..9.8.5..4.......883.1.4.67
..46....52....4.7..9...84...65....1....8.1....4....68...72...5..8.1....34....91..
..6.4...2.4...1...8....6......1.597...2...5...738.4......3....4...5...1.9...7.2..
..59.61...1..2..9.9.......85..3.9..6.2..5..8.1..2.4..77.......4.3..6..5...17.28..
.5.....1.2.......6.196.452...1.7.2..6..4.9..3..3.5.6...645.297.8.......2.7.....6.
..3..9..4.6..1..7.7..2..8....1..3..8.5..9..2.8..7..1....7..4..9.3..8..5.5..6..7..
.39......7..9...5.8..6..1...52..7.......8.......1..67...5..2..7.1...4..3......28.
..86.41...1.....4.9...2...32...7...9..39.16..1...4...58...1...6.5.....7...64.53..
..5...1...4..8..7.1..2.3..5..64519...5.8.9.1...93264..5..6.8..2.3..1..9...4...5..
..27.89...3.....1.4...2...88..9.5..3..5.7.6..6..2.4..93...4...7.8.....9...78.25..
6.3.5.9.271..2..46............4.2...23.5.7.91...9.8............17..9..844.9.7.2.3
..........1.4.9.2.23.6.7..47..5.4..9....9....6..2.8..39..7.2.46.5.8.1.9..........
6.35.14.8.........7..4.9..3..43.26......9......18.49..8..2.7..9.........2.91.35.4
..6.9.3...5.....6.2..5.1..9..9...2..7...5...6..3...4..6..7.3..1.8.....3...4.8.6..
.3.....4.6.......3..7.2.9.....3.8.....9...7.....5.6.....2.1.4..5.......6.9.....7.
7...6...4...........93.82....71..9..4.......8..3..95....19.38...........6...7...9
64..9..78...........38.52...2.5.6.9.9.......3.3.2.9.4...86.31...........45..7..32
..3.9.1...........9..2.7..45.41.26.97.......22.69.34.71..4.6..5...........9.1.8..
..3.9.1...........9..2.7..45..1.26.97.......22.69.3..71..4.6..5...........9.1.8..
..1.9...22..3..1.......43........546.7.....3.465........76.......9..7..88...1.9..
..12..........34...29...3.7.9..3...4...9.1...6...7..1.3.7...18...67..........89..
.1.....2......83....457....635.....9.........1.....574....356....72......8.....9.
..8....9.....956...1..7.3....3.....9.46.2.71.7.....4....2.8..3...594.....6....2..
...6......471.....89..4..13..1..4.2.2...9...8.3.8..5..45..7..36.....684......5...
.7.45......82..3..5........1.2..6...9...1...6...9..7.4........9..3..78......21.6.
...1.6.....1.9.3...2.7.3.4.7.2...4.5.4.....6.9.5...2.3.1.8.7.5...7.2.1.....3.1...
.6.7.9.1.5..8.1..2..2...7..25.4.8.73.........73.5.2.41..3...1..6..1.7..8.1.2.5.9.
...7..5.....9362.......1.6987....94..1.....7..94....5248.1.......1842.....7..9...
....3.......5.81...1.6.752..95...31.4.......5.73...64..547.1.8...89.2.......8....
...7..3.4....8...5...6.2.976.5...8...1.....7...3...6.223.9.8...5...7....1.4..5...
1.8..3....9.....8.3..68.1.76..43.9.............9.15..67.1.48..2.5.....1....7..5.8
5..8...9...1.75.....9..3..88......5..25...38..4......64..3..2.....12.8...1...6..4
6.5...1.7...........937...65.791...3.........8...279.49...817...........3.4...2.8
...8.......3.2.5.7.9.1.5.4...7...2.4.6.....3.2.1...8...1.5.6.7.5.8.3.4.......2...
..18..3...8.9...74.7.3.2.....8...79..6.....2..17...5.....2.5.1.75...9.3...6..89..
3..4.5..7...........2...6..5...1...9...6.8...9...7...4..3...2...........4..9.7..5
..7...8.5.1.....2.6..3.9..4..81.54......6......34.76..3..5.2..7.2.....3.9.5...2..
.....8...3.4..17.....54...2..6.5.9..2.3...4.1..1.6.5..1...85.....72..3.4...9.....
.7.1....68....6..7.....745...9.53....1.7.8.4....94.6...835.....1..3....86....9.1.
....4......86.29...5.8.1.4..43...85.2...1...3.85...62..2.7.9.3...94.62......2....
6.45.27.9.........9..7.8..28.32.41.7.........7.91.52.83..4.1..6.........2.79.38.4
..45.61...3.....5.6..2.3..41.83.76.2.........7.26.93.13..1.5..7.2.....1...19.28..
....17....852.....4.68....26.9...1..75.....63..4...9.58....47.1.....362....78....
..6.8....4..5..2...2.1.9...592....1...1...7...8....592...7.6.4...3..2..7....5.3..
6.83..2.7...2.4..67....8...13.....6...........7.....92...7....53..4.1...2.7..53.9
.4.1.3.8.6.......1..7.2.9..5..4.2..3..2...1..3..9.5..7..6.3.4..4.......8.8.7.6.1.
....7......46.83...6.5.1.8..36...49.5.......6.97...51..1.7.2.5...24.97......1....
9.16.72.5....3....7..5.8..15.9...1.3.4.....5.3.7...4.68..9.2..4....8....4.57.18.2
...3.2.....3.1.6...8.5.7.9.6.2...1.5.4.....3.3.1...4.2.3.7.5.4...9.3.7.....1.6...
.2.6.7.1...6.8.2.....4.5...3.2...5.9.4.....6.6.5...1.2...7.1.....7.9.6...6.5.2.8.
..4...8.....1.8...5...3...9.3.945.7...18.32...5.712.3.1...9...6...2.7.....8...4..
.49..86.5..3..7..........3....4..8...6.815.2...1..9....1..........6..4..8.45..39.
Puzzles description:
These were posted on the Players' forums under The superior Thread heading. The puzzles can be solved using the following technique heirarchy:
Code:
1.Singles
2.Intersections
3.Hidden doubles
4.Naked doubles
5.Naked triples
6.X-wings
7.Hidden triples
At least one of techniques 5,6,7 MUST be used. Some extra qualities were required for inclusion into the list including symmetry & minimality, as more puzzles were submitted the best puzzles were selected. Puzzles scored better if they had more BATCHED 5,6,7 moves.
Puzzles in 9x9 text format with Original Poster name:
Code:
100 Superior puzzles:

Puzzle #001 (tarek)
 . . . | . . . | . . . 
 . 8 2 | 6 . 1 | 7 4 . 
 . 7 . | 5 . 9 | . 2 . 
-------+-------+------
 . . 6 | 2 . 3 | 8 . . 
 . . . | . 9 . | . . . 
 . . 1 | 4 . 5 | 9 . . 
-------+-------+------
 . 4 . | 3 . 7 | . 9 . 
 . 3 9 | 1 . 2 | 6 5 . 
 . . . | . . . | . . . 

Puzzle #002 (Ruud)
 . 5 . | . . . | . . 7 
 3 . . | 2 . 6 | 5 . 9 
 . 4 . | . 5 . | 6 . . 
-------+-------+------
 . . 7 | . 6 8 | . . . 
 . . . | . . . | . . . 
 . . . | 4 2 . | 8 . . 
-------+-------+------
 . . 5 | . 9 . | . 2 . 
 6 . 2 | 8 . 3 | . . 4 
 9 . . | . . . | . 1 . 

Puzzle #003 (tarek/ab)
 . . . | . . . | . . . 
 . 2 . | 8 . 7 | . 6 . 
 6 4 . | 3 . 1 | . . 2 
-------+-------+------
 1 . . | 9 . . | . . 7 
 . . . | . 7 . | . . . 
 3 . . | . . 5 | . . 4 
-------+-------+------
 7 . . | 1 . 6 | . 8 3 
 . 9 . | 5 . 2 | . 7 . 
 . . . | . . . | . . .

Puzzle #004 (tarek)
 8 . . | . . . | . . 1 
 . . . | 9 3 4 | . . . 
 . . 6 | . . . | 3 . . 
-------+-------+------
 . 5 . | . 1 . | . 8 . 
 . 4 . | 6 . 2 | . 1 . 
 . 1 . | . 7 . | . 3 . 
-------+-------+------
 . . 9 | . . . | 2 . . 
 . . . | 2 4 8 | . . . 
 5 . . | . . . | . . 7

Puzzle #005 (ab)
 . . . | 6 7 . | . . . 
 . . 2 | 9 4 . | . . 5 
 . . . | . . . | 9 8 . 
-------+-------+------
 2 9 . | . . . | 7 4 . 
 . . 4 | . . . | 8 . . 
 . 8 6 | . . . | . 3 1 
-------+-------+------
 . 1 8 | . . . | . . . 
 5 . . | . 1 6 | 2 . . 
 . . . | . 8 3 | . . . 

Puzzle #006 (vidarino)
 . 8 . | . . . | . . 3 
 . . . | 3 1 . | . . . 
 . 4 . | . . 5 | . 1 9 
-------+-------+------
 . 5 1 | 7 . . | . . 4 
 . . 2 | . . . | 6 . . 
 7 . . | . . 6 | 1 9 . 
-------+-------+------
 9 2 . | 8 . . | . 5 . 
 . . . | . 2 3 | . . . 
 5 . . | . . . | . 4 . 

Puzzle #007 (vidarino)
 . . 9 | . 2 4 | . . 3 
 8 . . | . . . | . . . 
 . 2 . | . . 6 | 8 1 . 
-------+-------+------
 . 6 . | . . 2 | 9 . 1 
 . 5 . | . . . | . 2 . 
 4 . 2 | 6 . . | . 3 . 
-------+-------+------
 . 9 7 | 5 . . | . 6 . 
 . . . | . . . | . . 5 
 5 . . | 9 6 . | 1 . . 

Puzzle #008 (vidarino)
 . . . | . . . | 4 . . 
 . . . | 8 3 1 | 9 . . 
 1 6 9 | . . 7 | . . . 
-------+-------+------
 9 . . | 1 . . | 2 . . 
 . 2 . | . . . | . 3 . 
 . . 5 | . . 2 | . . 7 
-------+-------+------
 . . . | 6 . . | 3 8 2 
 . . 4 | 3 9 8 | . . . 
 . . 6 | . . . | . . . 

Puzzle #009 (Ruud)
 . . . | . . . | . . . 
 . 7 . | 2 . . | 4 . . 
 . . 9 | 4 . 1 | 7 . 3 
-------+-------+------
 . 6 . | 5 . . | 1 . . 
 2 . . | . 1 . | . . 4 
 . . 5 | . . 6 | . 8 . 
-------+-------+------
 5 . 8 | 3 . 7 | 9 . . 
 . . 4 | . . 9 | . 3 . 
 . . . | . . . | . . . 

Puzzle #010 (Ruud)
 6 5 . | . 8 . | . . 4 
 . . 9 | . . . | 8 . . 
 . . . | 2 . 7 | . . . 
-------+-------+------
 . 8 . | . . . | 2 . . 
 2 9 . | . 4 . | . 5 8 
 . . 6 | . . . | . 4 . 
-------+-------+------
 . . . | 1 . 3 | . . . 
 . . 3 | . . . | 4 . . 
 1 . . | . 5 . | . 3 6 

Puzzle #011 (gsf)
 . 7 . | . 6 . | 8 . . 
 . . . | 5 . . | . . . 
 . 4 2 | 1 . . | . 7 6 
-------+-------+------
 2 3 8 | . . 4 | . . . 
 . . . | . 2 . | . . . 
 . . . | 8 . . | 3 2 7 
-------+-------+------
 4 5 . | . . 9 | 1 3 . 
 . . . | . . 6 | . . . 
 . . 9 | . 1 . | . 4 . 

Puzzle #012 (gsf)
 . 2 . | . 1 6 | . . 3 
 3 9 . | . 5 . | . . . 
 . . 6 | 9 . . | . . . 
-------+-------+------
 9 8 . | . 3 5 | . . 1 
 . . . | . . . | . . . 
 4 . . | 7 9 . | . 5 6 
-------+-------+------
 . . . | . . 1 | 4 . . 
 . . . | . 8 . | . 2 5 
 5 . . | 4 6 . | . 1 . 

Puzzle #013 (henk)
 5 . . | . . . | . . 1 
 . . 1 | 4 . 5 | 7 . . 
 . . 4 | 2 . 7 | 5 . . 
-------+-------+------
 . 4 . | . . . | . 9 . 
 . . . | 6 . 9 | . . . 
 . 3 . | . . . | . 6 . 
-------+-------+------
 . . 6 | 7 . 1 | 9 . . 
 . . 7 | 8 . 2 | 3 . . 
 8 . . | . . . | . . 5 

Puzzle #014 (henk)
 . . . | 6 . 2 | . . . 
 4 . . | . 9 . | . . 1 
 . 5 . | 8 . 4 | . 7 . 
-------+-------+------
 . . 3 | . . . | 2 . . 
 . 2 1 | . . . | 3 8 . 
 . . 7 | . . . | 5 . . 
-------+-------+------
 . 7 . | 3 . 9 | . 5 . 
 9 . . | . 6 . | . . 4 
 . . . | 2 . 7 | . . . 

Puzzle #015 (henk)
 . . . | 5 . 9 | . . . 
 . . 8 | . . . | 3 . . 
 . 3 . | 7 . 2 | . 6 . 
-------+-------+------
 . 1 6 | . 5 . | 9 3 . 
 . 9 . | . . . | . 5 . 
 . 4 3 | . 2 . | 7 1 . 
-------+-------+------
 . 7 . | 4 . 8 | . 2 . 
 . . 4 | . . . | 1 . . 
 . . . | 2 . 5 | . . . 

Puzzle #016 (henk)
 . . . | . . 7 | . . . 
 . . 6 | . 4 . | 5 . 8 
 . . 2 | . . 3 | . 9 . 
-------+-------+------
 . 4 . | 1 . . | . . 9 
 9 . . | . 2 . | . . 6 
 3 . . | . . 9 | . 4 . 
-------+-------+------
 . 5 . | 8 . . | 9 . . 
 6 . 1 | . 7 . | 8 . . 
 . . . | 3 . . | . . . 

Puzzle #017 (ab)
 . . 3 | 6 . 8 | 9 . . 
 . . . | 4 . 1 | . 2 . 
 9 . . | . 3 . | . . 6 
-------+-------+------
 . 8 . | . . . | . 5 9 
 . . 5 | . . . | 1 . . 
 7 2 . | . . . | . 6 . 
-------+-------+------
 4 . . | . 8 . | . . 7 
 . 3 . | 9 . 7 | . . . 
 . . 2 | 3 . 5 | 8 . . 

Puzzle #018 (ab)
 4 . . | . . . | . . . 
 . 8 . | 1 . . | 5 . . 
 . . . | . 4 2 | . 6 . 
-------+-------+------
 . 9 . | . . . | 3 . . 
 . . 2 | . 9 . | 6 . . 
 . . 3 | . . . | . 5 . 
-------+-------+------
 . 1 . | 4 8 . | . . . 
 . . 6 | . . 7 | . 9 . 
 . . . | . . . | . . 2 

Puzzle #019 (vidarino)
 1 9 . | 6 . 8 | . 4 3 
 6 8 . | . . . | . 9 7 
 . . . | . . . | . . . 
-------+-------+------
 2 . . | 7 . 4 | . . 6 
 . . . | . 3 . | . . . 
 3 . . | 5 . 1 | . . 2 
-------+-------+------
 . . . | . . . | . . . 
 4 3 . | . . . | . 5 1 
 8 5 . | 1 . 7 | . 6 4 

Puzzle #020 (Ocean)
 . 6 . | . 7 . | . 9 . 
 9 . 1 | 6 . . | 5 . . 
 . 8 . | . 9 . | . . . 
-------+-------+------
 . 1 . | . . . | . 3 . 
 7 . 8 | . . . | 9 . 2 
 . 9 . | . . . | . 6 . 
-------+-------+------
 . . . | . 5 . | . 4 . 
 . . 4 | . . 3 | 7 . 1 
 . 3 . | . 8 . | . 2 .

Puzzle #021 (Ruud)
 7 . . | . . . | . 5 . 
 . 6 . | . . . | . 4 8 
 . . 3 | 4 5 . | . . . 
-------+-------+------
 . . . | 8 . . | 6 . 5 
 . . . | . 3 . | . . . 
 8 . 2 | . . 7 | . . . 
-------+-------+------
 . . . | . 9 2 | 1 . . 
 9 4 . | . . . | . 8 . 
 . 1 . | . . . | . . 9 

Puzzle #022 (gsf)
 . 7 . | 2 . . | . 6 . 
 4 . . | . 3 . | . . 1 
 . . 9 | 4 . 6 | 8 . . 
-------+-------+------
 . . 7 | . . . | 1 . 6 
 . 3 . | . . . | . 5 . 
 5 . 1 | . . . | 4 . . 
-------+-------+------
 . . 8 | 7 . 4 | 2 . . 
 1 . . | . 2 . | . . 5 
 . 9 . | . . 3 | . 4 . 

Puzzle #023 (Ruud)
 . . . | 8 . 5 | . . . 
 . 1 . | . 3 . | . 9 . 
 . . 4 | . 9 . | 8 . . 
-------+-------+------
 7 . . | . . . | . . 1 
 . . 3 | 2 . 7 | 4 . . 
 2 . . | . . . | . . 7 
-------+-------+------
 . . 9 | . 8 . | 6 . . 
 . 5 . | . 6 . | . 4 . 
 . . . | 3 . 2 | . . . 

Puzzle #024 (Mage)
 . . 1 | . . 4 | 9 . . 
 . . . | . . 5 | . . . 
 . 6 . | . . . | 2 . 4 
-------+-------+------
 8 . . | . 3 . | . . 5 
 7 . . | . . . | . . 1 
 5 . . | . 2 . | . . 6 
-------+-------+------
 1 . 9 | . . . | . 4 . 
 . . . | 7 . . | . . . 
 . . 2 | 8 . . | 3 . . 

Puzzle #025 (henk/ab)
 . . . | . . 2 | . . . 
 4 . . | . 9 . | . . 1 
 . 5 . | 8 . 4 | . 7 . 
-------+-------+------
 . . 3 | . . . | 2 . . 
 . 2 1 | . . . | 3 8 . 
 . . 7 | . . . | 5 . . 
-------+-------+------
 . 7 . | 3 . 9 | . 5 . 
 9 . . | . 6 . | . . 4 
 . . . | 2 . . | . . . 

Puzzle #026 (henk)
 . . . | . . . | . . . 
 . . 4 | . 8 . | 1 . . 
 . 8 . | 6 . 7 | . 5 . 
-------+-------+------
 9 5 . | 2 . 8 | . 4 7 
 2 . . | . 6 . | . . 3 
 7 1 . | 4 . 3 | . 2 9 
-------+-------+------
 . 6 . | 8 . 2 | . 3 . 
 . . 1 | . 9 . | 4 . . 
 . . . | . . . | . . . 

Puzzle #027 (henk)
 . 2 . | . . . | . 3 . 
 . . 7 | . 2 . | 1 . . 
 . . 9 | 6 . 8 | 2 . . 
-------+-------+------
 . 6 . | 7 . 5 | . 2 . 
 . . 5 | . . . | 8 . . 
 . 9 . | 2 . 1 | . 6 . 
-------+-------+------
 . . 2 | 8 . 6 | 5 . . 
 . . 1 | . 7 . | 9 . . 
 . 5 . | . . . | . 1 . 

Puzzle #028 (henk)
 . . . | . 6 . | . . . 
 3 . 7 | . . . | 5 . 6 
 . . 1 | 3 . 9 | 8 . . 
-------+-------+------
 7 . 5 | . . . | 1 . 8 
 . . . | 8 4 1 | . . . 
 1 . 8 | . . . | 2 . 3 
-------+-------+------
 . . 3 | 2 . 6 | 9 . . 
 8 . 9 | . . . | 3 . 2 
 . . . | . 8 . | . . . 

Puzzle #029 (vidarino)
 . . 5 | 7 . 3 | 8 . . 
 . 8 . | . 9 . | . 5 . 
 9 . . | . . . | . . 6 
-------+-------+------
 3 . . | 6 . 4 | . . 2 
 . 4 . | . . . | . 6 . 
 6 . . | 5 . 9 | . . 7 
-------+-------+------
 7 . . | . . . | . . 4 
 . 3 . | . 4 . | . 2 . 
 . . 4 | 2 . 8 | 9 . . 

Puzzle #030 (vidarino)
 . . 7 | . 3 . | 5 . . 
 . 6 . | 9 . 7 | . 3 . 
 . 1 . | . 6 . | . 9 . 
-------+-------+------
 . 2 3 | . 8 . | 6 7 . 
 . . 9 | . . . | 2 . . 
 . 8 6 | . 2 . | 9 1 . 
-------+-------+------
 . 5 . | . 9 . | . 6 . 
 . 3 . | 5 . 4 | . 2 . 
 . . 2 | . 1 . | 4 . . 

Puzzle #031 (henk)
 . 5 . | . . . | . 6 .
 . . . | 7 . 4 | . . .
 . . 8 | . 2 . | 9 . .
-------+-------+------
 3 . . | 4 . 2 | . . 9
 . 2 9 | . . . | 6 5 .
 4 . . | 9 . 5 | . . 7
-------+-------+------
 . . 1 | . 3 . | 2 . .
 . . . | 8 . 7 | . . .
 . 6 . | . . . | . 3 .

Puzzle #032 (henk)
 . . 2 | 5 . 7 | 4 . . 
 6 . . | 9 . 3 | . . 8 
 . . . | . 1 . | . . . 
-------+-------+------
 9 . 4 | . . . | 5 . 2 
 8 . . | . . . | . . 9 
 2 . 3 | . . . | 8 . 7 
-------+-------+------
 . . . | . 9 . | . . . 
 7 . . | 8 . 6 | . . 3 
 . . 8 | 7 . 2 | 6 . . 

Puzzle #033 (vidarino)
 . 1 . | 7 . 8 | . 4 . 
 6 . . | . 1 . | . . 2 
 . 4 . | . . . | . 8 . 
-------+-------+------
 . 6 . | 5 . 2 | . 3 . 
 2 . . | . 9 . | . . 4 
 . 9 . | 3 . 1 | . 2 . 
-------+-------+------
 . 2 . | . . . | . 6 . 
 9 . . | . 6 . | . . 5 
 . 3 . | 8 . 5 | . 9 . 

Puzzle #034 (vidarino)
 . 1 . | . 2 . | . 3 . 
 5 . . | 6 . 4 | . . 8 
 . . 2 | . . . | 9 . . 
-------+-------+------
 1 . . | 2 . 5 | . . 3 
 . . 4 | . 8 . | 6 . . 
 8 . . | 4 . 6 | . . 1 
-------+-------+------
 . . 8 | . . . | 1 . . 
 6 . . | 7 . 3 | . . 9 
 . 9 . | . 4 . | . 5 . 

Puzzle #035 (tarek)
 . . 6 | . . 9 | . . 1 
 . . 5 | . . . | . 7 . 
 9 3 . | . . 6 | 4 . . 
-------+-------+------
 . . . | . . 3 | 9 . . 
 3 1 4 | . . . | 7 2 8 
 . . 9 | 8 . . | . . . 
-------+-------+------
 . . 8 | 3 . . | . 6 4 
 . 5 . | . . . | 1 . . 
 7 . . | 1 . . | 8 . . 

Puzzle #036 (tarek)
 . . 8 | . . . | 6 . . 
 . . . | 9 3 1 | . . . 
 5 . . | . . . | . . 3 
-------+-------+------
 . 2 . | . 1 . | . 9 . 
 . 8 . | 4 . 5 | . 3 . 
 . 6 . | . 7 . | . 1 . 
-------+-------+------
 9 . . | . . . | . . 4 
 . . . | 1 4 2 | . . . 
 . . 7 | . . . | 5 . . 

Puzzle #037 (JPF/tarek)
 6 . . | 3 1 9 | . . 7 
 . . . | 2 . 4 | . . . 
 . 7 . | . . . | . . . 
-------+-------+------
 1 8 . | . . . | . 6 9 
 7 . . | . 6 . | . . 1 
 2 4 . | . . . | . 7 5 
-------+-------+------
 . . . | . . . | . 9 . 
 . . . | 4 . 8 | . . . 
 9 . . | 7 5 3 | . . 6 

Puzzle #038 (ab)
 . . . | . . . | . . . 
 . 9 7 | 2 . 1 | 3 8 . 
 . 4 . | 9 . 8 | . 2 . 
-------+-------+------
 . 3 . | 1 . 2 | 5 4 . 
 . . . | . . . | . . . 
 . 1 9 | 3 . 6 | . 7 . 
-------+-------+------
 . 8 . | 7 . 9 | . 3 . 
 . 7 6 | 8 . 3 | 1 5 . 
 . . . | . . . | . . . 

Puzzle #039 (Ruud)
 . . . | . . . | . . . 
 1 4 . | . 7 . | . . . 
 . . 5 | 1 . 6 | 9 . . 
-------+-------+------
 . 2 1 | . . 5 | . 8 . 
 4 . . | . . . | . . 7 
 . 8 . | 7 . . | 6 2 . 
-------+-------+------
 . . 9 | 3 . 4 | 5 . . 
 . . . | . 2 . | . 1 8 
 . . . | . . . | . . . 

Puzzle #040 (ab)
 . . . | . . . | . . 5 
 . 7 . | 6 . . | . . . 
 6 . 9 | . 7 . | . . . 
-------+-------+------
 8 . . | . 2 . | 7 . . 
 . 1 . | 8 . 4 | . 9 . 
 . . 4 | . 9 . | . . 3 
-------+-------+------
 . . . | . 4 . | 8 . 6 
 . . . | . . 2 | . 3 . 
 2 . . | . . . | . . . 

Puzzle #041 (tarek)
 . 7 . | 6 . 4 | . 3 . 
 . 8 6 | 5 . 9 | 1 2 . 
 . . . | . . . | . . . 
-------+-------+------
 . . 7 | 8 . 2 | 5 6 . 
 . . . | . 9 . | . . . 
 . 1 8 | 4 . 6 | 3 . . 
-------+-------+------
 . . . | . . . | . . . 
 . 9 1 | 7 . 8 | 6 5 . 
 . 5 . | 2 . 1 | . 8 . 

Puzzle #042 (vidarino)
 . . 1 | . 2 . | . . 8 
 . . 9 | 4 5 . | 6 . . 
 3 . . | . . 8 | . . . 
-------+-------+------
 . . 7 | . . . | . . 4 
 . 3 . | 6 1 9 | . 2 . 
 9 . . | . . . | 1 . . 
-------+-------+------
 . . . | 7 . . | . . 5 
 . . 4 | . 6 2 | 8 . . 
 7 . . | . 9 . | 2 . . 

Puzzle #043 (vidarino)
 1 . 3 | . . . | . 6 . 
 2 . . | . . . | . 4 9 
 . 9 . | 8 . . | 1 . . 
-------+-------+------
 3 7 . | 1 . . | . . . 
 . . 4 | . 9 . | 2 . . 
 . . . | . . 6 | . 1 4 
-------+-------+------
 . . 2 | . . 3 | . 9 . 
 4 5 . | . . . | . . 2 
 . 3 . | . . . | 5 . 7 

Puzzle #044 (vidarino)
 . 3 2 | 8 . 1 | . . 5 
 1 . . | . 5 3 | . . . 
 5 . 4 | . . . | . . . 
-------+-------+------
 8 . . | 6 . . | 5 4 . 
 . . . | . 1 . | . . . 
 . 5 3 | . . 4 | . . 6 
-------+-------+------
 . . . | . . . | 2 . 8 
 . . . | 4 2 . | . . 1 
 2 . . | 1 . 7 | 4 6 . 

Puzzle #045 (Red Ed)
 . 1 . | 5 . . | . . . 
 . . 2 | 3 . . | . . 4 
 . . 8 | . . . | 3 7 . 
-------+-------+------
 . . . | . 1 . | . 2 5 
 . . . | 6 . 4 | . . . 
 5 8 . | . 9 . | . . . 
-------+-------+------
 . 3 7 | . . . | 2 . . 
 6 . . | . . 7 | 8 . . 
 . . . | . . 5 | . 9 . 

Puzzle #046 (ab)
 . 2 . | . . . | . 4 . 
 8 . . | . 4 . | . . 3 
 . . . | 7 . 5 | . . . 
-------+-------+------
 . 8 9 | . . . | 5 6 . 
 1 . . | . . . | . . 7 
 . 5 7 | . . . | 2 1 . 
-------+-------+------
 . . . | 9 . 8 | . . . 
 4 . . | . 3 . | . . 9 
 . 6 . | . . . | . 5 . 

Puzzle #047 (Ocean)
 4 . . | . . . | . . 7 
 . . 3 | . . . | 2 . . 
 . 7 . | 6 . 3 | . 9 . 
-------+-------+------
 . . 6 | . 8 . | 7 . . 
 . . . | 9 . 5 | . . . 
 . . 2 | . 4 . | 9 . . 
-------+-------+------
 . 5 . | 3 . 4 | . 8 . 
 . . 7 | . . . | 6 . . 
 8 . . | . . . | . . 5

Puzzle #048 (gsf)
 6 1 . | 8 . 5 | . 9 2 
 5 . . | . . . | . . 1 
 . . 4 | . 3 . | 8 . . 
-------+-------+------
 2 . . | 4 . 9 | . . 3 
 . . 7 | . . . | 1 . . 
 1 . . | 3 . 7 | . . 9 
-------+-------+------
 . . 9 | . 8 . | 5 . . 
 4 . . | . . . | . . 8 
 8 3 . | 1 . 4 | . 6 7 

Puzzle #049 (gsf)
 6 1 . | 8 . 5 | . 9 2 
 5 . . | . . . | . . 1 
 . . 4 | . 3 . | 8 . . 
-------+-------+------
 2 . . | 4 . 9 | . . 3 
 . . . | . . . | . . . 
 1 . . | 3 . 7 | . . 9 
-------+-------+------
 . . 9 | . 8 . | 5 . . 
 4 . . | . . . | . . 8 
 8 3 . | 1 . 4 | . 6 7 

Puzzle #050 (gsf)
 . . 4 | 6 . . | . . 5 
 2 . . | . . 4 | . 7 . 
 . 9 . | . . 8 | 4 . . 
-------+-------+------
 . 6 5 | . . . | . 1 . 
 . . . | 8 . 1 | . . . 
 . 4 . | . . . | 6 8 . 
-------+-------+------
 . . 7 | 2 . . | . 5 . 
 . 8 . | 1 . . | . . 3 
 4 . . | . . 9 | 1 . . 

Puzzle #051 (Ruud)
 . . 6 | . 4 . | . . 2 
 . 4 . | . . 1 | . . . 
 8 . . | . . 6 | . . . 
-------+-------+------
 . . . | 1 . 5 | 9 7 . 
 . . 2 | . . . | 5 . . 
 . 7 3 | 8 . 4 | . . . 
-------+-------+------
 . . . | 3 . . | . . 4 
 . . . | 5 . . | . 1 . 
 9 . . | . 7 . | 2 . . 

Puzzle #052 (vidarino)
 . . 5 | 9 . 6 | 1 . . 
 . 1 . | . 2 . | . 9 . 
 9 . . | . . . | . . 8 
-------+-------+------
 5 . . | 3 . 9 | . . 6 
 . 2 . | . 5 . | . 8 . 
 1 . . | 2 . 4 | . . 7 
-------+-------+------
 7 . . | . . . | . . 4 
 . 3 . | . 6 . | . 5 . 
 . . 1 | 7 . 2 | 8 . . 

Puzzle #053 (henk)
 . 5 . | . . . | . 1 . 
 2 . . | . . . | . . 6 
 . 1 9 | 6 . 4 | 5 2 . 
-------+-------+------
 . . 1 | . 7 . | 2 . . 
 6 . . | 4 . 9 | . . 3 
 . . 3 | . 5 . | 6 . . 
-------+-------+------
 . 6 4 | 5 . 2 | 9 7 . 
 8 . . | . . . | . . 2 
 . 7 . | . . . | . 6 . 

Puzzle #054 (Ruud)
 . . 3 | . . 9 | . . 4 
 . 6 . | . 1 . | . 7 . 
 7 . . | 2 . . | 8 . . 
-------+-------+------
 . . 1 | . . 3 | . . 8 
 . 5 . | . 9 . | . 2 . 
 8 . . | 7 . . | 1 . . 
-------+-------+------
 . . 7 | . . 4 | . . 9 
 . 3 . | . 8 . | . 5 . 
 5 . . | 6 . . | 7 . . 

Puzzle #055 (Ruud)
 . 3 9 | . . . | . . . 
 7 . . | 9 . . | . 5 . 
 8 . . | 6 . . | 1 . . 
-------+-------+------
 . 5 2 | . . 7 | . . . 
 . . . | . 8 . | . . . 
 . . . | 1 . . | 6 7 . 
-------+-------+------
 . . 5 | . . 2 | . . 7 
 . 1 . | . . 4 | . . 3 
 . . . | . . . | 2 8 . 

Puzzle #056 (vidarino)
 . . 8 | 6 . 4 | 1 . . 
 . 1 . | . . . | . 4 . 
 9 . . | . 2 . | . . 3 
-------+-------+------
 2 . . | . 7 . | . . 9 
 . . 3 | 9 . 1 | 6 . . 
 1 . . | . 4 . | . . 5 
-------+-------+------
 8 . . | . 1 . | . . 6 
 . 5 . | . . . | . 7 . 
 . . 6 | 4 . 5 | 3 . . 

Puzzle #057 (vidarino)
 . . 5 | . . . | 1 . . 
 . 4 . | . 8 . | . 7 . 
 1 . . | 2 . 3 | . . 5 
-------+-------+------
 . . 6 | 4 5 1 | 9 . . 
 . 5 . | 8 . 9 | . 1 . 
 . . 9 | 3 2 6 | 4 . . 
-------+-------+------
 5 . . | 6 . 8 | . . 2 
 . 3 . | . 1 . | . 9 . 
 . . 4 | . . . | 5 . . 

Puzzle #058 (vidarino)
 . . 2 | 7 . 8 | 9 . . 
 . 3 . | . . . | . 1 . 
 4 . . | . 2 . | . . 8 
-------+-------+------
 8 . . | 9 . 5 | . . 3 
 . . 5 | . 7 . | 6 . . 
 6 . . | 2 . 4 | . . 9 
-------+-------+------
 3 . . | . 4 . | . . 7 
 . 8 . | . . . | . 9 . 
 . . 7 | 8 . 2 | 5 . . 

Puzzle #059 (henk)
 6 . 3 | . 5 . | 9 . 2 
 7 1 . | . 2 . | . 4 6 
 . . . | . . . | . . . 
-------+-------+------
 . . . | 4 . 2 | . . . 
 2 3 . | 5 . 7 | . 9 1 
 . . . | 9 . 8 | . . . 
-------+-------+------
 . . . | . . . | . . . 
 1 7 . | . 9 . | . 8 4 
 4 . 9 | . 7 . | 2 . 3 

Puzzle #060 (tarek)
 . . . | . . . | . . . 
 . 1 . | 4 . 9 | . 2 . 
 2 3 . | 6 . 7 | . . 4 
-------+-------+------
 7 . . | 5 . 4 | . . 9 
 . . . | . 9 . | . . . 
 6 . . | 2 . 8 | . . 3 
-------+-------+------
 9 . . | 7 . 2 | . 4 6 
 . 5 . | 8 . 1 | . 9 . 
 . . . | . . . | . . . 

Puzzle #061 (tarek)
 6 . 3 | 5 . 1 | 4 . 8 
 . . . | . . . | . . . 
 7 . . | 4 . 9 | . . 3 
-------+-------+------
 . . 4 | 3 . 2 | 6 . . 
 . . . | . 9 . | . . . 
 . . 1 | 8 . 4 | 9 . . 
-------+-------+------
 8 . . | 2 . 7 | . . 9 
 . . . | . . . | . . . 
 2 . 9 | 1 . 3 | 5 . 4

Puzzle #062 (Ruud)
 . . 6 | . 9 . | 3 . . 
 . 5 . | . . . | . 6 . 
 2 . . | 5 . 1 | . . 9 
-------+-------+------
 . . 9 | . . . | 2 . . 
 7 . . | . 5 . | . . 6 
 . . 3 | . . . | 4 . . 
-------+-------+------
 6 . . | 7 . 3 | . . 1 
 . 8 . | . . . | . 3 . 
 . . 4 | . 8 . | 6 . . 

Puzzle #063 (ab)
 . 3 . | . . . | . 4 . 
 6 . . | . . . | . . 3 
 . . 7 | . 2 . | 9 . . 
-------+-------+------
 . . . | 3 . 8 | . . . 
 . . 9 | . . . | 7 . . 
 . . . | 5 . 6 | . . . 
-------+-------+------
 . . 2 | . 1 . | 4 . . 
 5 . . | . . . | . . 6 
 . 9 . | . . . | . 7 . 

Puzzle #064 (ab)
 7 . . | . 6 . | . . 4 
 . . . | . . . | . . . 
 . . 9 | 3 . 8 | 2 . . 
-------+-------+------
 . . 7 | 1 . . | 9 . . 
 4 . . | . . . | . . 8 
 . . 3 | . . 9 | 5 . . 
-------+-------+------
 . . 1 | 9 . 3 | 8 . . 
 . . . | . . . | . . . 
 6 . . | . 7 . | . . 9 

Puzzle #065 (henk)
 6 4 . | . 9 . | . 7 8
 . . . | . . . | . . .
 . . 3 | 8 . 5 | 2 . .
-------+-------+------
 . 2 . | 5 . 6 | . 9 .
 9 . . | . . . | . . 3
 . 3 . | 2 . 9 | . 4 .
-------+-------+------
 . . 8 | 6 . 3 | 1 . .
 . . . | . . . | . . .
 4 5 . | . 7 . | . 3 2

Puzzle #066 (vidarino)
 . . 3 | . 9 . | 1 . . 
 . . . | . . . | . . . 
 9 . . | 2 . 7 | . . 4 
-------+-------+------
 5 . 4 | 1 . 2 | 6 . 9 
 7 . . | . . . | . . 2 
 2 . 6 | 9 . 3 | 4 . 7 
-------+-------+------
 1 . . | 4 . 6 | . . 5 
 . . . | . . . | . . . 
 . . 9 | . 1 . | 8 . . 

Puzzle #067 (vidarino/ab)
 . . 3 | . 9 . | 1 . . 
 . . . | . . . | . . . 
 9 . . | 2 . 7 | . . 4 
-------+-------+------
 5 . . | 1 . 2 | 6 . 9 
 7 . . | . . . | . . 2 
 2 . 6 | 9 . 3 | . . 7 
-------+-------+------
 1 . . | 4 . 6 | . . 5 
 . . . | . . . | . . . 
 . . 9 | . 1 . | 8 . . 

Puzzle #068 (Red Ed)
 . . 1 | . 9 . | . . 2 
 2 . . | 3 . . | 1 . . 
 . . . | . . 4 | 3 . . 
-------+-------+------
 . . . | . . . | 5 4 6 
 . 7 . | . . . | . 3 . 
 4 6 5 | . . . | . . . 
-------+-------+------
 . . 7 | 6 . . | . . . 
 . . 9 | . . 7 | . . 8 
 8 . . | . 1 . | 9 . . 

Puzzle #069 (Red Ed)
 . . 1 | 2 . . | . . . 
 . . . | . . 3 | 4 . . 
 . 2 9 | . . . | 3 . 7 
-------+-------+------
 . 9 . | . 3 . | . . 4 
 . . . | 9 . 1 | . . . 
 6 . . | . 7 . | . 1 . 
-------+-------+------
 3 . 7 | . . . | 1 8 . 
 . . 6 | 7 . . | . . . 
 . . . | . . 8 | 9 . . 

Puzzle #070 (Red Ed)
 . 1 . | . . . | . 2 . 
 . . . | . . 8 | 3 . . 
 . . 4 | 5 7 . | . . . 
-------+-------+------
 6 3 5 | . . . | . . 9 
 . . . | . . . | . . . 
 1 . . | . . . | 5 7 4 
-------+-------+------
 . . . | . 3 5 | 6 . . 
 . . 7 | 2 . . | . . . 
 . 8 . | . . . | . 9 . 

Puzzle #071 (Ruud)
 . . 8 | . . . | . 9 . 
 . . . | . 9 5 | 6 . . 
 . 1 . | . 7 . | 3 . . 
-------+-------+------
 . . 3 | . . . | . . 9 
 . 4 6 | . 2 . | 7 1 . 
 7 . . | . . . | 4 . . 
-------+-------+------
 . . 2 | . 8 . | . 3 . 
 . . 5 | 9 4 . | . . . 
 . 6 . | . . . | 2 . . 

Puzzle #072 (Ruud)
 . . . | 6 . . | . . . 
 . 4 7 | 1 . . | . . . 
 8 9 . | . 4 . | . 1 3 
-------+-------+------
 . . 1 | . . 4 | . 2 . 
 2 . . | . 9 . | . . 8 
 . 3 . | 8 . . | 5 . . 
-------+-------+------
 4 5 . | . 7 . | . 3 6 
 . . . | . . 6 | 8 4 . 
 . . . | . . 5 | . . . 

Puzzle #073 (Ruud)
 . 7 . | 4 5 . | . . . 
 . . 8 | 2 . . | 3 . . 
 5 . . | . . . | . . . 
-------+-------+------
 1 . 2 | . . 6 | . . . 
 9 . . | . 1 . | . . 6 
 . . . | 9 . . | 7 . 4 
-------+-------+------
 . . . | . . . | . . 9 
 . . 3 | . . 7 | 8 . . 
 . . . | . 2 1 | . 6 . 

Puzzle #074 (vidarino)
 . . . | 1 . 6 | . . . 
 . . 1 | . 9 . | 3 . . 
 . 2 . | 7 . 3 | . 4 . 
-------+-------+------
 7 . 2 | . . . | 4 . 5 
 . 4 . | . . . | . 6 . 
 9 . 5 | . . . | 2 . 3 
-------+-------+------
 . 1 . | 8 . 7 | . 5 . 
 . . 7 | . 2 . | 1 . . 
 . . . | 3 . 1 | . . . 

Puzzle #075 (vidarino)
 . 6 . | 7 . 9 | . 1 . 
 5 . . | 8 . 1 | . . 2 
 . . 2 | . . . | 7 . . 
-------+-------+------
 2 5 . | 4 . 8 | . 7 3 
 . . . | . . . | . . . 
 7 3 . | 5 . 2 | . 4 1 
-------+-------+------
 . . 3 | . . . | 1 . . 
 6 . . | 1 . 7 | . . 8 
 . 1 . | 2 . 5 | . 9 . 

Puzzle #076 (tarek)
 . . . | 7 . . | 5 . . 
 . . . | 9 3 6 | 2 . . 
 . . . | . . 1 | . 6 9 
-------+-------+------
 8 7 . | . . . | 9 4 . 
 . 1 . | . . . | . 7 . 
 . 9 4 | . . . | . 5 2 
-------+-------+------
 4 8 . | 1 . . | . . . 
 . . 1 | 8 4 2 | . . . 
 . . 7 | . . 9 | . . . 

Puzzle #077 (Ocean/ab)
 . . . | . 3 . | . . . 
 . . . | 5 . 8 | 1 . . 
 . 1 . | 6 . 7 | 5 2 . 
-------+-------+------
 . 9 5 | . . . | 3 1 . 
 4 . . | . . . | . . 5 
 . 7 3 | . . . | 6 4 . 
-------+-------+------
 . 5 4 | 7 . 1 | . 8 . 
 . . 8 | 9 . 2 | . . . 
 . . . | . 8 . | . . . 

Puzzle #078 (Ocean)
 . . . | 7 . . | 3 . 4 
 . . . | . 8 . | . . 5 
 . . . | 6 . 2 | . 9 7 
-------+-------+------
 6 . 5 | . . . | 8 . . 
 . 1 . | . . . | . 7 . 
 . . 3 | . . . | 6 . 2 
-------+-------+------
 2 3 . | 9 . 8 | . . . 
 5 . . | . 7 . | . . . 
 1 . 4 | . . 5 | . . . 

Puzzle #079 (Ocean)
 1 . 8 | . . 3 | . . . 
 . 9 . | . . . | . 8 . 
 3 . . | 6 8 . | 1 . 7 
-------+-------+------
 6 . . | 4 3 . | 9 . . 
 . . . | . . . | . . . 
 . . 9 | . 1 5 | . . 6 
-------+-------+------
 7 . 1 | . 4 8 | . . 2 
 . 5 . | . . . | . 1 . 
 . . . | 7 . . | 5 . 8 

Puzzle #080 (Ocean)
 5 . . | 8 . . | . 9 . 
 . . 1 | . 7 5 | . . . 
 . . 9 | . . 3 | . . 8 
-------+-------+------
 8 . . | . . . | . 5 . 
 . 2 5 | . . . | 3 8 . 
 . 4 . | . . . | . . 6 
-------+-------+------
 4 . . | 3 . . | 2 . . 
 . . . | 1 2 . | 8 . . 
 . 1 . | . . 6 | . . 4 

Puzzle #081 (Ocean)
 6 . 5 | . . . | 1 . 7 
 . . . | . . . | . . . 
 . . 9 | 3 7 . | . . 6 
-------+-------+------
 5 . 7 | 9 1 . | . . 3 
 . . . | . . . | . . . 
 8 . . | . 2 7 | 9 . 4 
-------+-------+------
 9 . . | . 8 1 | 7 . . 
 . . . | . . . | . . . 
 3 . 4 | . . . | 2 . 8 

Puzzle #082 (Ocean)
 . . . | 8 . . | . . . 
 . . 3 | . 2 . | 5 . 7 
 . 9 . | 1 . 5 | . 4 . 
-------+-------+------
 . . 7 | . . . | 2 . 4 
 . 6 . | . . . | . 3 . 
 2 . 1 | . . . | 8 . . 
-------+-------+------
 . 1 . | 5 . 6 | . 7 . 
 5 . 8 | . 3 . | 4 . . 
 . . . | . . 2 | . . . 

Puzzle #083 (Ocean)
 . . 1 | 8 . . | 3 . . 
 . 8 . | 9 . . | . 7 4 
 . 7 . | 3 . 2 | . . . 
-------+-------+------
 . . 8 | . . . | 7 9 . 
 . 6 . | . . . | . 2 . 
 . 1 7 | . . . | 5 . . 
-------+-------+------
 . . . | 2 . 5 | . 1 . 
 7 5 . | . . 9 | . 3 . 
 . . 6 | . . 8 | 9 . . 

Puzzle #084 (tarek)
 3 . . | 4 . 5 | . . 7 
 . . . | . . . | . . . 
 . . 2 | . . . | 6 . . 
-------+-------+------
 5 . . | . 1 . | . . 9 
 . . . | 6 . 8 | . . . 
 9 . . | . 7 . | . . 4 
-------+-------+------
 . . 3 | . . . | 2 . . 
 . . . | . . . | . . . 
 4 . . | 9 . 7 | . . 5 

Puzzle #085 (Ocean/ab)
 . . 7 | . . . | 8 . 5 
 . 1 . | . . . | . 2 . 
 6 . . | 3 . 9 | . . 4 
-------+-------+------
 . . 8 | 1 . 5 | 4 . . 
 . . . | . 6 . | . . . 
 . . 3 | 4 . 7 | 6 . . 
-------+-------+------
 3 . . | 5 . 2 | . . 7 
 . 2 . | . . . | . 3 . 
 9 . 5 | . . . | 2 . .

Puzzle #086 (ab)
 . . . | . . 8 | . . . 
 3 . 4 | . . 1 | 7 . . 
 . . . | 5 4 . | . . 2 
-------+-------+------
 . . 6 | . 5 . | 9 . . 
 2 . 3 | . . . | 4 . 1 
 . . 1 | . 6 . | 5 . . 
-------+-------+------
 1 . . | . 8 5 | . . . 
 . . 7 | 2 . . | 3 . 4 
 . . . | 9 . . | . . . 

Puzzle #087 (Ocean)
 . 7 . | 1 . . | . . 6 
 8 . . | . . 6 | . . 7 
 . . . | . . 7 | 4 5 . 
-------+-------+------
 . . 9 | . 5 3 | . . . 
 . 1 . | 7 . 8 | . 4 . 
 . . . | 9 4 . | 6 . . 
-------+-------+------
 . 8 3 | 5 . . | . . . 
 1 . . | 3 . . | . . 8 
 6 . . | . . 9 | . 1 . 

Puzzle #088 (vidarino)
 . . . | . 4 . | . . . 
 . . 8 | 6 . 2 | 9 . . 
 . 5 . | 8 . 1 | . 4 . 
-------+-------+------
 . 4 3 | . . . | 8 5 . 
 2 . . | . 1 . | . . 3 
 . 8 5 | . . . | 6 2 . 
-------+-------+------
 . 2 . | 7 . 9 | . 3 . 
 . . 9 | 4 . 6 | 2 . . 
 . . . | . 2 . | . . . 

Puzzle #089 (vidarino)
 6 . 4 | 5 . 2 | 7 . 9 
 . . . | . . . | . . . 
 9 . . | 7 . 8 | . . 2 
-------+-------+------
 8 . 3 | 2 . 4 | 1 . 7 
 . . . | . . . | . . . 
 7 . 9 | 1 . 5 | 2 . 8 
-------+-------+------
 3 . . | 4 . 1 | . . 6 
 . . . | . . . | . . . 
 2 . 7 | 9 . 3 | 8 . 4 

Puzzle #090 (vidarino)
 . . 4 | 5 . 6 | 1 . . 
 . 3 . | . . . | . 5 . 
 6 . . | 2 . 3 | . . 4 
-------+-------+------
 1 . 8 | 3 . 7 | 6 . 2 
 . . . | . . . | . . . 
 7 . 2 | 6 . 9 | 3 . 1 
-------+-------+------
 3 . . | 1 . 5 | . . 7 
 . 2 . | . . . | . 1 . 
 . . 1 | 9 . 2 | 8 . . 

Puzzle #091 (Ocean)
 . . . | . 1 7 | . . . 
 . 8 5 | 2 . . | . . . 
 4 . 6 | 8 . . | . . 2 
-------+-------+------
 6 . 9 | . . . | 1 . . 
 7 5 . | . . . | . 6 3 
 . . 4 | . . . | 9 . 5 
-------+-------+------
 8 . . | . . 4 | 7 . 1 
 . . . | . . 3 | 6 2 . 
 . . . | 7 8 . | . . . 

Puzzle #092 (Ocean)
 . . 6 | . 8 . | . . . 
 4 . . | 5 . . | 2 . . 
 . 2 . | 1 . 9 | . . . 
-------+-------+------
 5 9 2 | . . . | . 1 . 
 . . 1 | . . . | 7 . . 
 . 8 . | . . . | 5 9 2 
-------+-------+------
 . . . | 7 . 6 | . 4 . 
 . . 3 | . . 2 | . . 7 
 . . . | . 5 . | 3 . . 

Puzzle #093 (Ocean)
 6 . 8 | 3 . . | 2 . 7 
 . . . | 2 . 4 | . . 6 
 7 . . | . . 8 | . . . 
-------+-------+------
 1 3 . | . . . | . 6 . 
 . . . | . . . | . . . 
 . 7 . | . . . | . 9 2 
-------+-------+------
 . . . | 7 . . | . . 5 
 3 . . | 4 . 1 | . . . 
 2 . 7 | . . 5 | 3 . 9 

Puzzle #094 (Ocean)
 . 4 . | 1 . 3 | . 8 . 
 6 . . | . . . | . . 1 
 . . 7 | . 2 . | 9 . . 
-------+-------+------
 5 . . | 4 . 2 | . . 3 
 . . 2 | . . . | 1 . . 
 3 . . | 9 . 5 | . . 7 
-------+-------+------
 . . 6 | . 3 . | 4 . . 
 4 . . | . . . | . . 8 
 . 8 . | 7 . 6 | . 1 .

Puzzle #095 (Ocean)
 . . . | . 7 . | . . . 
 . . 4 | 6 . 8 | 3 . . 
 . 6 . | 5 . 1 | . 8 . 
-------+-------+------
 . 3 6 | . . . | 4 9 . 
 5 . . | . . . | . . 6 
 . 9 7 | . . . | 5 1 . 
-------+-------+------
 . 1 . | 7 . 2 | . 5 . 
 . . 2 | 4 . 9 | 7 . . 
 . . . | . 1 . | . . . 

Puzzle #096 (Ocean)
 9 . 1 | 6 . 7 | 2 . 5 
 . . . | . 3 . | . . . 
 7 . . | 5 . 8 | . . 1 
-------+-------+------
 5 . 9 | . . . | 1 . 3 
 . 4 . | . . . | . 5 . 
 3 . 7 | . . . | 4 . 6 
-------+-------+------
 8 . . | 9 . 2 | . . 4 
 . . . | . 8 . | . . . 
 4 . 5 | 7 . 1 | 8 . 2

Puzzle #097 (Ocean)
 . . . | 3 . 2 | . . . 
 . . 3 | . 1 . | 6 . . 
 . 8 . | 5 . 7 | . 9 . 
-------+-------+------
 6 . 2 | . . . | 1 . 5 
 . 4 . | . . . | . 3 . 
 3 . 1 | . . . | 4 . 2 
-------+-------+------
 . 3 . | 7 . 5 | . 4 . 
 . . 9 | . 3 . | 7 . . 
 . . . | 1 . 6 | . . . 

Puzzle #098 (Ocean)
 . 2 . | 6 . 7 | . 1 . 
 . . 6 | . 8 . | 2 . . 
 . . . | 4 . 5 | . . . 
-------+-------+------
 3 . 2 | . . . | 5 . 9 
 . 4 . | . . . | . 6 . 
 6 . 5 | . . . | 1 . 2 
-------+-------+------
 . . . | 7 . 1 | . . . 
 . . 7 | . 9 . | 6 . . 
 . 6 . | 5 . 2 | . 8 .

Puzzle #099 (Ocean)
 . . 4 | . . . | 8 . . 
 . . . | 1 . 8 | . . . 
 5 . . | . 3 . | . . 9 
-------+-------+------
 . 3 . | 9 4 5 | . 7 . 
 . . 1 | 8 . 3 | 2 . . 
 . 5 . | 7 1 2 | . 3 . 
-------+-------+------
 1 . . | . 9 . | . . 6 
 . . . | 2 . 7 | . . . 
 . . 8 | . . . | 4 . . 

Puzzle #100 (Ruud)
 . 4 9 | . . 8 | 6 . 5 
 . . 3 | . . 7 | . . . 
 . . . | . . . | . 3 . 
-------+-------+------
 . . . | 4 . . | 8 . . 
 . 6 . | 8 1 5 | . 2 . 
 . . 1 | . . 9 | . . . 
-------+-------+------
 . 1 . | . . . | . . . 
 . . . | 6 . . | 4 . . 
 8 . 4 | 5 . . | 3 9 .
Selected puzzles non-single moves walkthrough:
#26
...........4.8.1...8.6.7.5.95.2.8.472...6...371.4.3.29.6.8.2.3...1.9.4...........
5 forms an intersection in g1r7/g1b7
[r89c1][r9c3]<>5
2 forms an x-wing in g1r2r8/g1c2c9
[r1c29][r39c9][r9c2]<>2
7 forms an x-wing in g1r2r8/g1c2c8
[r19c28]<>7
27 is a hidden double in g1c2
[r2c2]<>3<>9 [r8c2]<>3
3 forms an x-wing in g1r2r8/g1c1c4
[r19c14]<>3
9 forms an x-wing in g1r3r7/g1c3c7
[r19c37]<>9
27 is a naked double in g1r9
[r9c5]<>7
Puzzle Solved
Solution:
532941786674385192189627354953218647248769513716453829465872931321596478897134265

#27
.2.....3...7.2.1....96.82...6.7.5.2...5...8...9.2.1.6...28.65....1.7.9...5.....1.
6 forms an x-wing in g1c3c7/g1r1r9
[r19c19]<>6
8 forms an x-wing in g1c2c8/g1r2r8
[r28c19]<>8
9 forms an x-wing in g1r1r4/g1c5c9
[r25c9][r9c5]<>9
89 is a hidden double in g1b3
[r1c9]<>4 [r2c8]<>4<>5
Puzzle Solved
Solution:
826157439537429186419638257168795324275364891394281765942816573681573942753942618

#31
.5.....6....7.4.....8.2.9..3..4.2..9.29...65.4..9.5..7..1.3.2.....8.7....6.....3.
47 is a hidden double in g1b3
[r1c7]<>1<>8 [r3c8]<>1
56 is a hidden double in g1c4
[r3c4]<>1<>3
18 is a naked double in g1c8
[r7c8]<>8 [r8c8]<>1
4 forms an x-wing in g1r3r7/g1c2c8
[r8c28]<>4
23 is a hidden double in g1r2
[r2c9]<>1<>5<>8
147 is a naked triple in g1r3
[r3c6]<>1 [r3c9]<>1
1 forms an intersection in g1r3/g1b1
[r1c1][r2c2]<>1
7 forms an x-wing in g1c3c7/g1r1r9
[r19c1]<>7
5 forms an x-wing in g1c5c7/g1r2r9
[r9c9]<>5
189 is a naked triple in g1r9
[r9c5]<>1<>9 [r9c7]<>1<>8
8 forms an intersection in g1b9/g1c9
[r1c9]<>8
Puzzle Solved
Solution:
257398461693714582148526973375462819829173654416985327781639245532847196964251738

#32
..25.74..6..9.3..8....1....9.4...5.28.......92.3...8.7....9....7..8.6..3..87.26..
1 forms an intersection in g1b8/g1r7
[r7c19]<>1
4 forms an intersection in g1b6/g1c8
[r89c8]<>4
6 forms an intersection in g1b6/g1c8
[r13c8]<>6
4 forms an x-wing in g1r2r8/g1c2c5
[r39c2][r569c5]<>4
1 forms an x-wing in g1c1c9/g1r1r9
[r19c28]<>1
14 is a hidden double in g1r9
[r9c1]<>3<>5 [r9c9]<>5
5 forms an x-wing in g1c1c9/g1r3r7
[r3c238][r7c6]<>5
Puzzle Solved
Solution:
192587436645923178387614925974138562861275349253469817526391784719846253438752691

#33
.1.7.8.4.6...1...2.4.....8..6.5.2.3.2...9...4.9.3.1.2..2.....6.9...6...5.3.8.5.9.
1 forms an intersection in g1b4/g1r4
[r4c79]<>1
4 forms an intersection in g1b5/g1c5
[r79c5]<>4
17 is a naked double in g1b9
[r7c7]<>1<>7 [r7c9]<>1<>7 [r8c7]<>1<>7 [r9c7]<>1<>7
3 forms an x-wing in g1r2r8/g1c6c7
[r137c7][r7c6]<>3
5 forms an x-wing in g1c2c8/g1r2r5
[r2c37][r5c7]<>5
7 forms an x-wing in g1c2c8/g1r2r8
[r2c37][r8c3]<>7
57 is a hidden double in g1r2
[r2c2]<>8
29 is a hidden double in g1c3
[r1c3]<>5 [r3c3]<>5<>7
29 is a naked double in g1r3
[r3c5]<>2 [r3c7]<>9 [r3c9]<>9
8 forms an x-wing in g1r5r8/g1c2c7
[r467c7]<>8
Puzzle Solved
Solution:
519728643678413952342956187164582739253697814897341526725139468981264375436875291

#36
..8...6.....931...5.......3.2..1..9..8.4.5.3..6..7..1.9.......4...142.....7...5..
5 forms an intersection in g1b2/g1r1
[r1c89]<>5
5 forms an intersection in g1b8/g1r7
[r7c23]<>5
4 forms an intersection in g1b6/g1c7
[r23c7]<>4
4 forms an intersection in g1r2/g1b1
[r1c12][r3c23]<>4
6 forms an intersection in g1b6/g1c9
[r89c9]<>6
7 forms an intersection in g1b8/g1r7
[r7c78]<>7
7 forms an intersection in g1b4/g1c1
[r12c1]<>7
8 forms an intersection in g1b2/g1r3
[r3c78]<>8
8 forms an intersection in g1c8/g1b9
[r78c7][r89c9]<>8
6 forms an intersection in g1b2/g1r3
[r3c3]<>6
9 forms an intersection in g1b8/g1r9
[r9c9]<>9
9 forms an intersection in g1b4/g1c3
[r3c3]<>9
19 is a hidden double in g1b3
[r1c9]<>2<>7 [r3c7]<>2<>7
139 is a hidden triple in g1r1
[r1c1]<>2 [r1c2]<>7
268 is a hidden triple in g1c1
[r2c1]<>4 [r8c1]<>3 [r9c1]<>1<>3<>4
Puzzle Solved
Solution:
138524679674931852592786143425613798781495236369278415916857324853142967247369581

#39
.........14..7......51.69...21..5.8.4.......7.8.7..62...93.45......2..18.........
9 forms an intersection in g1b1/g1r1
[r1c456]<>9
9 forms an intersection in g1b9/g1r9
[r9c456]<>9
9 forms an intersection in g1c5/g1b5
[r45c4][r56c6]<>9
6 forms an intersection in g1b1/g1r1
[r1c8]<>6
69 is a hidden double in g1r1
[r1c1]<>2<>3<>8 [r1c2]<>3<>7
3 forms an intersection in g1b1/g1r3
[r3c589]<>3
7 forms an x-wing in g1r3r7/g1c2c8
[r19c8][r89c2]<>7
8 forms an x-wing in g1r3r7/g1c1c5
[r159c5][r9c1]<>8
28 is a hidden double in g1r5
[r5c6]<>3
3 forms an intersection in g1b5/g1c5
[r1c5]<>3
2 forms an x-wing in g1r3r7/g1c1c9
[r29c9][r9c1]<>2
28 is a hidden double in g1b7
[r7c1]<>6 [r9c3]<>4<>7
Puzzle Solved
Solution:
697452831148973256235186974721695483456238197983741625879314562364529718512867349

#47
4.......7..3...2...7.6.3.9...6.8.7.....9.5.....2.4.9...5.3.4.8...7...6..8.......5
1 forms an intersection in g1b5/g1r4
[r4c1289]<>1
8 forms an intersection in g1b2/g1r1
[r1c237]<>8
1 forms an intersection in g1b6/g1r6
[r6c12]<>1
3 forms an intersection in g1c9/g1b6
[r46c8]<>3
5 forms an intersection in g1b4/g1c1
[r23c1]<>5
5 forms an intersection in g1b6/g1c8
[r12c8]<>5
12 is a naked double in g1r3
[r3c3]<>1 [r3c9]<>1
8 forms an x-wing in g1c3c7/g1r3r5
[r3c9][r5c2]<>8
4 forms an x-wing in g1c3c7/g1r5r9
[r59c2]<>4
1 forms an x-wing in g1r3r8/g1c1c5
[r2c1]<>1
Puzzle Solved
Solution:
425891367963457218178623594596182743714935826382746951659374182247518639831269475

#50
..46....52....4.7..9...84...65....1....8.1....4....68...72...5..8.1....34....91..
3 forms an x-wing in g1c3c4/g1r3r9
[r3c5][r9c2]<>3
57 is a naked double in g1c5
[r1c5]<>7 [r2c5]<>5 [r4c5]<>7 [r6c5]<>5<>7
5 forms an x-wing in g1c1c5/g1r3r8
[r3c4][r8c6]<>5
7 forms an x-wing in g1r6r9/g1c4c9
[r3c4][r4c9]<>7
Puzzle Solved
Solution:
134627895258914376796358421865432719972861534341795682617243958589176243423589167

#53
.5.....1.2.......6.196.452...1.7.2..6..4.9..3..3.5.6...645.297.8.......2.7.....6.
8 forms an intersection in g1b1/g1r2
[r2c4578]<>8
8 forms an intersection in g1c8/g1b6
[r46c9][r5c7]<>8
9 forms an intersection in g1b8/g1c4
[r12c4]<>9
17 is a hidden double in g1b6
[r6c9]<>4<>9
49 is a hidden double in g1c9
[r1c9]<>7<>8
3 forms an x-wing in g1c2c8/g1r2r8
[r2c57][r8c67]<>3
38 is a hidden double in g1c7
[r1c7]<>4<>7 [r9c7]<>1
7 forms an x-wing in g1c3c7/g1r2r5
[r2c4]<>7
8 forms an x-wing in g1r3r7/g1c5c9
[r5c5]<>8
Puzzle Solved
Solution:
456723819287195436319684527591376284628419753743258691164532978835967142972841365

#88
....4......86.29...5.8.1.4..43...85.2...1...3.85...62..2.7.9.3...94.62......2....
1 forms an intersection in g1b6/g1c9
[r1278c9]<>1
1 forms an intersection in g1b4/g1c1
[r178c1]<>1
9 forms an intersection in g1b5/g1r6
[r6c19]<>9
1 forms an x-wing in g1c3c7/g1r1r7
[r1c28]<>1
469 is a hidden triple in g1b9
[r7c9]<>5<>8 [r9c8]<>7<>8 [r9c9]<>5<>7<>8
268 is a hidden triple in g1b3
[r1c8]<>7 [r1c9]<>5<>7 [r3c9]<>7
5 forms an x-wing in g1c5c9/g1r2r8
[r8c1]<>5
Puzzle Solved
Solution:
691345782438672915752891346943267851267518493185934627526789134319456278874123569

#89
6.45.27.9.........9..7.8..28.32.41.7.........7.91.52.83..4.1..6.........2.79.38.4
1 forms an intersection in g1c2/g1b7
[r8c13]<>1
27 is a hidden double in g1r7
[r7c5]<>5<>8 [r7c8]<>5<>9
27 is a hidden double in g1c8
[r8c8]<>1<>3<>5<>9
9 forms an intersection in g1b9/g1c7
[r5c7]<>9
3 forms an x-wing in g1r1r6/g1c5c8
[r25c5][r5c8]<>3
139 is a hidden triple in g1r8
[r8c2]<>4<>5<>6 [r8c7]<>5 [r8c9]<>5
5 forms an x-wing in g1c1c9/g1r2r5
[r25c7][r5c38]<>5
278 is a hidden triple in g1c5
[r5c5]<>6<>9 [r8c5]<>5<>6
Puzzle Solved
Solution:
684512739572396481931748652853264197126879345749135268398421576415687923267953814
tarek


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 Post subject: Re: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 7:49 pm 
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What is the definition of "superior" I'm gathering it has something to do with difficulty of required techniques, but I'm not sure of specifics.

I've seen indications on some fora that X-wing is considered a difficult technique, which puzzles me, as I didn't think it was all that hard.


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 Post subject: Re: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 7:59 pm 
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enxio27 wrote:
What is the definition of "superior" I'm gathering it has something to do with difficulty of required techniques, but I'm not sure of specifics.
Here tarek wrote:
The popular Superior puzzle of the Sunday Times ranked x-wings lower than quads which I still agree with.

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 Post subject: Re: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 8:04 pm 
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The words Hard & easy are ver subjective as you know.

When the new wave of sudokus came about in 2005, Newspaper puzzles rarely needed anything beyond doubles.

The "Superior" puzzles published by the Sunday Times in the UK were puzzles that needed triples or an x-wing to solve. These were considered the most difficult in publication for a while.

The term "Superior techniques" came from there. These can be compared to the current APPRENTICE category used here on these fora.

Techniques like quads or swordfish were considered beyond superior :scratch:, techniques have evolved & increased in number, hardenss remains very subjective. The term "Superior" IMO remains unchanged.

tarek


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 Post subject: Re: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 8:16 pm 
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tarek wrote:
These were posted on the Players' forums under The superior Thread heading.

Do you know whether the puzzles credited to Ruud in that thread are from his "Superiors" collection, or are they in addition to those? (I couldn't find anything in the original thread where he said one way or the other.)


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 Post subject: Re: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 8:26 pm 
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Ruud Has posted his own superior collection following the exact rules of the thread i referred to.

Ruud was an active member in the Players' forum & YES, the puzzles attributed to Ruud are from the 100 superiors.

The SUPERIOR term pre-dates most current websites & Solvers including RUUD's

tarek


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 Post subject: Re: 100 Superior puzzles
PostPosted: Fri Aug 08, 2008 10:12 pm 
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tarek wrote:
YES, the puzzles attributed to Ruud are from the 100 superiors.

Ok, thanks! I already have Ruud's collection of 100 superiors, so I'll just eliminate his puzzles from my copy of your above listing.


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