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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 (57 Intersection, 1 Intergrid Skyscraper on 8 in g5 and g10, 1 Late XY-Wing on 6 with pivot {48} in g2). Select to view details.
The advanced techniques are needed in 2 different grids.



Regular Clueless Explosion #61A (Novice)

Rating based on required solving techniques:  Moderate

000050006200000000800106030920000001000400000300900000000000004008001000700028300
000002060000600800506009000000000403200000000790080001100000000000001007070000900
002008090000900004300400000650000000800200600700000009000010000200000805000380000
080000000000900004500000000000000040000006100750000000000007000008001000600030507
000020740005000000000001000800000004000800000093014005100005000000000203002008000
500000000000003000601700009007009000400000000000004203009001008000000000080000007
054000800000000100000000004006000009000000300700100000000310000005000006003704090
000208000800000005001000200010900006006000000000040910070090000000004600504600190
000002005000000000380610900050000000000200000730008006000080060000001008006900000



Regular Clueless Explosion #61B (Apprentice)

Rating based on required solving techniques:  Hard

000050106200000000800106030920000001000400000300900000000000004008001009700028300
000002060000600800506009000000000403200000000790080001100000000000001007070000900
002008090000900004300400000650000000800200600700000009000010000200000805000380000
080000000000900004500000008000000740000006100750000000000007000008001000600030507
000020740005000000000001000800000004000800000093014005100005000000000203002008000
500000000000503000601700009007009000400000000000004203009001008000000000080000007
054000800000000100000008004006000009000000300700100000000310000005000006003704090
000208000800000005001000200000900006006000000000040910070090000000004000504600190
000002005000000000380610900050000000000200000730008006000080000000001008006900000



Regular Clueless Explosion 61C (Master)

Rating based on required solving techniques:  Super Hard

000050006200000000800106030920000001000400000300900000000000004008000000700028300
000002060000600800500009000000000403200000000790080001100000000000001007070000900
002008090000900004300400000650000000800200600700000009000010000200000805000380000
080000000000900004500000000000000040000006100750000000000007000008001000600030507
000020740005000000000001000800000004000800000093014005100005000000000203002008000
500000070000503000601700009007009000400000000000004203009001008000000000080000007
004000800000000100000000004006000009000000300700100000000310000005000006003704090
000208000800000005001000200000900006006000000000040910070000000000004000504600190
000002005000000000380610900050000000000200000730008006000080060000001008006900000

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