All sudoku puzzles in this forum post are the intellectual property of Børge Alexander Tetlie Anderssen.
Copyright © 2009 Børge Alexander Tetlie Anderssen. All rights reserved. Terms of Use.There are five puzzles and four difficulties to choose from.
All five puzzles have the same solution.
The difficulty levels explained The ratings explained
A) Novice.
B) Apprentice (mainstream edition).
C) Master-1 (71 Intersection, 5 Naked Pair, 1 Naked Triplet, 1 Naked Quad, 2 Skyscraper: one on 1 in g4 and one on 2 in g2, 1 Remote Pairs on {23} in g2). Select to view details.
The advanced techniques are needed in 2 different grids.
D) Master-2 (90 Intersection, 6 Naked Pair, 2 Naked Triplet, 3 Naked Quad, 3 Skyscraper: one Intergrid on 5 in g6 and g10, one on 1 in g4 and one on 2 in g2, 1 Remote Pairs on {23} in g2). Select to view details.
The advanced techniques are needed in 3-4 different grids.
E) Master-3 (81 Intersection, 3 Naked Pair, 7 Naked Triplet, 4 Naked Quad, 1 Y-Wing on 2 with {25} pincers in g10, 1 Skyscraper on 4 in g8). Select to view details.
The advanced techniques are needed in 2 different grids.
Regular Clueless Explosion #60A (Novice)
Rating based on required solving techniques: Moderate
000000008700000000000700905001000300000007002905000006400009030000300000010040800
000000400009008000300004018000209000004005009700000000007000000600000000008507061
005090000000008006006000490007530000003000008000060010000000235000001000000306000
000005000500000700000280060000904000600000007002800603030109000000000000006000901
000020100000006000080000200500000000000000000000904001010000009900000608370009000
103000000200000006000049000000000000000000008034570000020000000000000004600800091
006004000400000000000000003008000000900700008200090037060020001000000300007030000
900400300000005000600000000081000020000004000000080013005000000000007002102390005
006000000000900000900000708000090001203000000700140000000005460001000000800200100
Regular Clueless Explosion #60B (Apprentice)
Rating based on required solving techniques: Tough
000000008700000000000700905001000300000000002905000006400009030000300000010040800
000000400009008000300004018000209000004005009700000000007000000600000000008507061
005090000000008006006000490007530000003000008000060010000000235000001000000306000
000005000500000700000280060000904000600000007002800603030109000000000000006000901
000020100000006000080000200500000000000000000000904001010000009900000608370009000
103000000200000006000049000000000000000000008034570000020000000000000004600800091
006004000400000000000000003008000000900700008200090037060020001000000300007030000
900400300000005000600000000081000020000004000000080013005000000000007002102390005
006000000000900000900000708000090001203000000700140000000005460001000000800200100
Regular Clueless Explosion 60C (Master-1)
Rating based on required solving techniques: Extra Hard
000000008700000000000700905001000300000007002905000006400009000000300000010040800
000000400009008000300004018000009000004005009700000000007000000600000000008507061
005090000000008006006000490007530000003000008000060010000000205000001000000306000
200005000500000700000280060000004000600000007002800603030109000000000000006000901
000020000000006000080000200500000000000000000000904001010000039900000608370009000
103000000200000006000049000000000000000000008034570000020000000000000004600800091
006004000400000000000000003008000000900700008200090037060020001000000300007030000
900400300000005000600000000001000020000004000000080013005000000000007002102390005
006000000000900000900000708000090001203000000700140000000005460000000000800200100
Regular Clueless Explosion 60D (Master-2)
Rating based on required solving techniques: Extra Hard
000000008700000000000700905001000300000007002905000006400009000000300000010040800
000000400009008000300004018000009000004005009700000000007000000600000000008507061
005090000000008006006000490007530000003000008000060010000000205000001000000306000
200005000500000700000280060000004000600000007002800603030109000000000000006000901
000020000000006000080000200500000000000000000000904001010000039900000608370009000
103000000200000006000049000000000000000000008034570000020000000000000004600800091
006004000400000000000000003008000000900000008200090037060020001000000300007030000
900400300000005000600000000001000020000004000000080013005000000000007002102390005
006000000000900000900000708000090001203000000700140000000005460000000000800200100
Regular Clueless Explosion 60E (Master-3)
Rating based on required solving techniques: Super Hard
000000008700000000000700905001000300000007002905000006400009000000300000010040800
000000400009008000300004018000209000004005009700000000007000000600000000008507061
005090000000008006006000490007530000003000008000060010000000205000001000000306000
000005000500000700000280060000904000600000007002800603030109000000000000006000901
000020000000006000080000200500000000000000000000904001010000039900000608370009000
103000000200000006000049000000000000000000008034570000020000000000000004600800091
006004000400000000000000003008000000900700008200090037060020001000000300007030000
900400300000005000600000000001000020000004000000080013005000000000007002102390005
006000000000000000900000708000090001203000000700140000000005460000000000800200100
