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PostPosted: Fri Sep 18, 2009 2:22 pm 
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Grand Master
Grand Master
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Joined: Mon Apr 21, 2008 10:32 am
Posts: 868
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 (52 Intersection, 3 Naked Pair, 3 Naked Triplet, 1 XY-Wing on 3 with pivot {78} in g10, 1 Y-Wing on 1 with {14} pincers in g1). Select to view details.
The advanced techniques are needed in 2 different grids.



Regular Clueless Special #63A (Novice)

Rating based on required solving techniques:  Moderate

Image

900041002700300090008000100070000009000000046005000000000070060650008000090000420
004001000300000008008600020009000040400000300005000090000200000000040016620503900
000000001038000060200056070040000807900000000000000400000000049400170030750060008
580000200000003000000680001000000800090000360027000000050010020048059030000200070
705000000000004500000180900001000000094000005000000041009020670400700008803610200
000000000000000082580010030004000009001000005300000000100050070000073810003000000
000000002000050040706003000000000205002000000005000600090030060400600010050001809
071000000900007000000500300000000080400000960009000000000005000020000604085400007
074310002000000000000040107001000050000000020006000040600700430000201005350800000



Regular Clueless Special #63B (Apprentice)

Rating based on required solving techniques:  Hard

Image

900041002700300090008000100070000000080000046005000000000070060050008000090006420
004081000300000008000600020009000040400000300005000090040200000000040016620003000
000000001038000060200856000340000807900000000000000400000000049400170000750060000
580000203000003000000680001000000800890000360007000000050010020048009100000200070
715000000000004000000180907001000000094000000000000041000020670400000108803610200
000504000000000082509010030004000029001000005000000000100050070920003810003000000
000000002000050040746000900000000205002000000005000600290030000400600010050001809
071000000900007000000500300000000080400000960009000000000005000020000604085400007
074310002000000000000040107001000050000000020006000040600700430000001005350800000



Regular Clueless Special #63C (Master)

Rating based on required solving techniques:  Super Hard

Image

000041002700300090008000100070000000000000046005000000000070060650008000090000420
004001000300000008008600020009000040400000300005000090000200000000040010620503900
000000001038000060200056070040000807000000000000000400000000049400000030750060008
580000200000003000000680001000000800090000360027000000050000000048059030000200070
710000000000004500000180900001000000094000005000000041009020670400000008803610200
000504000000000082580010030004000009001000005300000000100050070000073810003000000
000000002000050040706003000000000005002000000005000600090030060400600010050001809
071000000900007000000500300000000080400000900009000000000005000020000604085400007
074310002000000000000040107001000000000000020006000040600700430000000005350800000

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