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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 (58 Intersection, 6 Naked Pair, 1 Naked Triplet, 1 Naked Quad, 2 Two String Kite: one on 1 in g1 and one on 3 in g7, 1 Skyscraper on 2 in g5). Select to view details.
The advanced techniques are needed in 3 different grids.



Regular Clueless Special #52A (Novice)

Rating based on required solving techniques:  Moderate

008002000300008600000600057003000000000000062000000000160080009000901500200000700
000000002045000100900645030094000500000000019000000000010000000000950080400007200
030060007000000000642050080000000000400000200507000060200000500010090000080600000
900000000300007200000300410006000000000000080003000009000000000710004002500083046
300000697000007000000102400000000000060000500450000708020008006040001050500390040
003000000860000090000304060005000041420000000000000800002003005007000200050020080
000630000308000001179800030000000080000000000502000060007002005400000000090000607
000003080000000900471000000009000000200000100300000750004010008000020090050008001
000400020000000508005170000030000000007000209010000000000009000350000460002000083



Regular Clueless Special #52B (Apprentice)

Rating based on required solving techniques:  Tough

008002000300008600000600057003000000000000062000000000160080009000001000200000700
000000002045000100900640030094000500000000019000000000310000000000950080400007200
030060007000000000642050080000000000400000200507000060200000500010090000080600000
900000000300007200000300410006000000000000080003000009000000000710004002500083046
300000697000007000000102400000000000060000500450000708020008006040001050500090040
003000000860000090000304060005000041420000000000000800002003005007000200050020080
000630000308000001179800030000000080000000000502000060007002005400000000090000607
000003080000000900471000000009000000200000100300000750004010008000020090050008001
000400020000000508005170000030000000007000209010000000000009000350000460002000083



Regular Clueless Special #52C (Master)

Rating based on required solving techniques:  Pretty Extra Hard

008002000300008600000600057003000000000000062000000000160080009000001000200000700
000000002045000100900640030004000500000000019000000000310000000000950080400007200
030060007000000000642050080000000000400000200507000060200000500010090000080600000
900000000300007200000300410006000000000000080003000009000000000710004002500083046
300000097000007000000102400000000000060000500450000708020008006040001000500090040
003000000860000090000304060005000041420000000000000800002003005007500200050020080
000630000308000001179800030000000080000000000502000060007002005400000000090000607
000003080000005900471000000009000000200000100300000750004010008000020090050008001
000400020000000508005170000030000000007000209010000000000009000350000460002000083

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