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PostPosted: Wed Sep 30, 2009 7:28 pm 
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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 four puzzles and three difficulties to choose from. RCE #64D are more difficult than RCE #64C, which is easier than the average RCE Master puzzle.
All four puzzles have the same solution.
The difficulty levels explained     The ratings explained

A) Novice.
B) Apprentice (mainstream edition).
C) Master-1 (84 Intersection, 6 Naked Pair, 1 XY-Wing on 7 with pivot {12} in g4, 1 Skyscraper on 1 in g7). Select to view details.
The advanced techniques are needed in 2 different grids.
D) Master-2 (46 Intersection, 5 Naked Pair, 2 Y-Wing: one on 9 with {79} pincers in g8 and one on 4 with {49} pincers in g8, 1 Skyscraper on 1 in g7). Select to view details.
The advanced techniques are needed in 2 different grids.



Regular Clueless Explosion #64A (Novice)

Rating based on required solving techniques:  Moderate

Image

000003000000000004710006002078000000100800000000109800000000000000000000350907100
003200000000001000680000410000108070000000000800070000060000000007800000000500009
000004001900000000010003060037000000000000602060200004500086000000000008008000200
000000008000700600009405000000000000100900000004030106700100000000000901091080020
100000600000000100700060008000002400000000000927300000003008020000000007004001000
000000070000607005206050000020301000100000002000004010500000098000000000490102000
000300000006000700008005000800000000500900302060040590900000000000000004000064009
080400000009000000000205094030000600000006100100040008000002000502800300007030050
000700004000003200700090000000000000000204008010030040000080000000006300090000520



Regular Clueless Explosion #64B (Apprentice)

Rating based on required solving techniques:  Moderate

Image

800003001000000004000000002070000000000800000000109800400000000000000000350907100
003200000000001000680000410054100900000000000800070000000009000007800000000500029
006804001900000000000000060000000000000000600060208004500000090000007008008000206
400000008000000600809005000030050000100000000004030106700109000000000901090000020
100000000000000100700060008000092403000000000027300800003008501000000000000031000
000000070000600000206050001820001000000000002000004000500000098000000000490102000
000300000006800000008005000800600000000900302060040500905000000000000004000064009
081400000000000000000005094000100600008006100100040008000002000002800300007030050
000700004000003200740090000200000000000204008010000040300080000000006300090000520



Regular Clueless Explosion 64C (Master-1)

Rating based on required solving techniques:  Super Hard

Image

000003000000000004710006002078000000100800000000109800000000000000000000350907100
003200000000001000680000410000128070000000000800070000060000000007800000000500109
000004001900000000010003060037000000000000602060200004500086000000000008008000200
000000008000700600009405000000000000100900000004030106700000000000000901091080020
100000000000000100700060008000002400000000000927300000003008020000000007004031000
000000070000607000206050000020300000100000002000004010500000008000000000400102000
000300000006000000008005000800000000500900302060040590900000000000000004000064009
080400000009000000000205094030000600000006000100040008000002000002800300007030050
000700004000003200700090000000000000000204008010030040000080000000006300090000520



Regular Clueless Explosion 64D (Master-2)

Rating based on required solving techniques:  Super Hard

Image

000003000000000004710006002078000000100800000000109800000000000000000000350907100
003200000000001000680000410000108070000000000800070000060000000007800000000500009
000004001900000000010003060007000000000000602060200004500086000000000008008000200
000000008000700600009405000000000000100900000004030106700100000000000901091080020
100000000000000100700060008000002400000000000927300000003008020000000007004001000
000000070000607005206050000020300000100000002000004010500000008000000000400102000
000300000006000000008005000800000000500900302060040590900000000000000004000064009
080400000009000000000205094030000600000006100100040008000002000502800300007030050
000700004000003200700090000000000000000204008010030040000080000000006300090000520

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