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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 (72 Intersection, 2 Naked Pair, 2 Two String Kite: one on 3 in g4 and one on 5 in g2, 1 Skyscraper on 2 in g9). Select to view details.
The advanced techniques are needed in 3 different grids.



Regular Clueless Special #56A (Novice)

Rating based on required solving techniques:  Moderate

817000000000000700000080206608000002000000010500000000006300000000010030290407000
004380000000040005086000002008000000010000009040000000000000201003008067200096000
800000400400050020000102600090000000005000706087000000300010007002003000000600005
800000960000024080000800020003000000900000045520000000009300400030609700017500800
400000600000000004007643050002000085003000000060000030004008000300000020080701900
009000504310060000000001800005000940600000020080000000000200605803600000050700080
502000000000000180000009004000000030603000001001000005100004500040800006050700090
000100060070000500460250000000000090002000400730000001100900082500000000003060070
200000050100030008050082000040000010000000007008000000007000030023074680000001004



Regular Clueless Special #56B (Apprentice)

Rating based on required solving techniques:  Hard

817000000000000700000080206608000002000000010500000000006300000000010030290407000
004380000000040005086000002008000000010000009000000000000000201003000067200096000
800000400400050020000102600090000000005000706087000000300010007002003000000600005
000000960000004080000800020003000000900000045520000000009000000030009700017500800
000000600000000004007643050002000085003000000060000030004008000300000020080701900
009000504310060000000001800005000040600000020080000000000200605803600000050700080
502000000000000180000009004000000030603000001000000005100004500040800006050700090
000100060070000500460250000000000090002000400730000001100900082500020006003060070
200000050100030008050082000040000010000000007008000300007000030023004680000001004



Regular Clueless Special #56C (Master)

Rating based on required solving techniques:  Extra Hard

817000000000000700000080206608000002000000010500000000006300000000010030290407000
004300000000040005086000002008000000010000009040000000000000201003008067200096000
800000400400050020000102600090000000005000706087000000300010007002003000000600005
800000960000024080000800020003000000900000045520000000009300000030609700017500800
000000600000000004007643050002000085003000000060000030004008000300000020080701900
009000504310060000000001800005000040600000020080000000000000605803600000050700080
502000000000000180000009004000000030603000001000000005100004500040800006050700090
000000060070000500460250000000000090002000400730000001000900082500020000003060070
004000050100000008050082000740000010000000007008000300007000030023004680000001004

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