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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 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) Sophomore Apprentice (31 Intersection, 3 Naked Pair, 4 Naked Triplet, 1 Naked Quad)
D) Master-1 (This puzzle requires techniques rated Hard and below Hard + 1 Two String Kite on 9 in g6). Select to view details.

  There are red herring Two String Kites!

E) Master-2 (15 Intersection, 1 Intergrid Turbot Fish on 8 in g1 and g10). Select to view details.



Regular Clueless Explosion #57A (Novice)

Rating based on required solving techniques:  Moderate

070000800003005000800004030000000090007000000049802000008030106000000309000600000
107800000000000000006045030093000060600007000800000000000000300001000000904600801
000007200000000001600200070009015800000000500000400007000020000000000309070900000
020600000001004005000020000000000400008009003000000010050040006000900000006005008
000006004000000000030800009000000003000009000003600901000400000000002000010700002
000005000000200005280000070000007000000000000000049120340000008001000200700060010
070000003000005000500107000000060400400500000090020001053002080001000906600000000
590000000000000000100002800000000900005700000006900030800000090000000003609104000
100000000000000001004700600000306000000000000052000083000000008000400005803000000



Regular Clueless Explosion #57B (Apprentice)

Rating based on required solving techniques:  Tough

070300820000005000800004030000040501007000000049002000008000106600000309000600000
107800000009000000000045030093000060600007000800000000000010300000000000004600800
008000200000600001600000070020015800000000500000400000900020004000000309000080000
300600000001004005000020000000080400008009003000000000050000006000900000006005008
000006004008000000030800000000000003000009000043600901500400090000002000000700002
000075002000000000280000000100007080000000000500009000340100008000000000700060010
870000003000005600500100000000060400000500000090020050053002080001700000600000000
090000000007000000100302800000000908005700000006900030800070001000000000600004000
100000004200000000004780600090306002000000000002000083010000000000408000003000007



Regular Clueless Explosion #57C (Sophomore Apprentice)

Rating based on required solving techniques:  Hard

070300820000005000800004030000040501007000000049002000008000106600000309000600000
107800000009000000000045030093000060600007000800000000000010300000000000004600800
008000200000600001600000070020015800000000500000400000900020004000000309000000000
300600000001004005000020000000080400008009003000000000050000006000900000006005008
000006004008000000030800000000000003000009000043600901500400090000002000300700002
000075002000000000280000000100007080004000000500009000340100008000000200700060010
870000003000005607500100000000060400000500000090020050053002080001700000600000000
090000000007000000100302800000000908005700000006900030800070001000000003600004000
100000004200000000004780600090306002000000000002000083010000000000408000003000007



Regular Clueless Explosion 57D (Master-1)

Rating based on required solving techniques:  Extra Hard

070000800003005000800004030000000090007000000049802000008030106000000309000600000
107800000000000000006045030093000000600007000800000000000000300001000000904600801
000007200000000001600200070009015800000000500000400007000020000000000309070900000
020600000001004005000020000000000400008009003000000010050040006000900000006005008
000006004000000000030800009000000003000009000003600901000400000000002000010700002
000005000000200005280000070000007000000000000000049120340000008001000200700060010
070000003000005000500107000000060400400500000090020001053002080001000006600000000
590000000000000000100002800000000900005700000006900030800000000000000003609104000
100000000000000001004700600000306000000002000052000083000000008000400005803000000



Regular Clueless Explosion 57E (Master-2)

Rating based on required solving techniques:  Extra  Hard

070300820000005000800004030000040501007000000049002000008000106600000309000600000
107800000009000000000045030093000060600000000800000000000010300000000000004600800
008000200000600001600000070020015800000000500000400000900020004000000309000000000
300600000001004005000020000000080400008009003000000000050000006000900000006005008
000006004008000000030800000000000003000009000043600901500400090000002000000700002
000075002000000000280000000100007080000000000500009000340100008000000000700060010
870000003000005600500100000000060470000500000090020050053002080001700000600000000
090000000007000000100302800000000908005700000006900030800070001000000000600004000
100000004200000000004780600090306002000000000002000083010000000000408000003000007

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