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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 three difficulties to choose from.
All three puzzles have the same solution.

The difficulty levels explained     The ratings explained

A) Novice.
B) Apprentice (mainstream edition).
C) Master (77 Intersection, 5 Naked Pair, 7 Naked Triplet, 3 Naked Quad, 1 Finned Jellyfish on 6 in g10 OR       1 XY-Wing on 8 in g10, 1 XY-Wing on 2 in g8   ). Select to view details.
The advanced techniques are needed in 2 different grids.

   Part 1 of mini-mini Walktrough (Finned Jellyfish OR XY-Wing):

   Part 2 of mini-mini Walktrough (XY-Wing):

Regular Clueless Special #57A (Novice)

Rating based on required solving techniques:  Moderate

000000000008007060070509001007000090290000000000000430860000020040090005000102800
000200000000000406080570010005000070420000030700000060000012005800004200030000007
000000000600500010080100504002000000070000005500000003001020800004039007020000300
002000074000904010060000090007000000080000905300000002008000007600100000000070650
010003004000102800500000700000000020001000005850000070200060040000007900403000200
002800300300000000000043200008000005400000003500000000034000008010000709090006050
000009500007004280040010060000000003009000000006000004001005000705000100060021000
030700800000000009250010000004000007000000016700000005007480000608030004000000230
000000060509142030370000029002000007005000000004000000003000006000009010040001000



Regular Clueless Special #57B (Apprentice)

Rating based on required solving techniques:  Hard

000000000008007060070509001007000090290000000000000430860000020040090005000102800
000200000000000406080570010005000070420000030700000060000012005800004200030000007
000000000600500010080100504002000000070000005500000003001020800004039007020000300
002000074000004010060000090007000000080000905300000002008000007600100000000070650
010003004000102800500000700000000020001000005850000070200060040000007900403000200
002800300300000000000043200008000005400000003500000000034000008010000709090006050
000009500007004280040010060000000003009000000006000004001005000705000100060021000
030700800000000009250010000004000007000000010000000005007480000608030004000000230
000000060509142030370000029002000007005000000004000000003000906000009010040001000



Regular Clueless Special #57C (Master)

Rating based on required solving techniques:  Super Hard

000000000008007060070509001007000090290000000000000430860000020040000005000102800
000200000000000406080570010005000070420000030700000060000010005800004200030000007
000000000600500010080100504002000000070000005500000003001020800004039007020000300
002000074000004010060000090007000000080000905300000002008000007600100000000070650
010003004000102800500000700000000020001000005800000070200060040000007900403000200
002800300300000000000043200008000005400000003500000000034000008010000709090006050
000009500007004280040010060000000003009000000006000004001065000705000000060021000
030700800000000009250010000004000007000000010000000005007480000608030004000000230
000000060509142030370000029002000007005000000004000000003000906000009010040001000

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