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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 (39 Intersection, 3 Naked Pair, 1 Two String Kite on 6 in g6, 1 Skyscraper on 1 in g6, 2 Y-Wing: one on 7 in g2 and one on 6 in g5). Select to view details.
The advanced techniques are needed when 3 grids are unsolved.

   Part 1 of mini-mini Walktrough (Two String Kite):

   Part 2 of mini-mini Walktrough (Skyscraper):

   Part 3 of mini-mini Walktrough (1. Y-Wing):

   Part 4 of mini-mini Walktrough (2. Y-Wing):

Regular Clueless Explosion #55A (Novice)

Rating based on required solving techniques:  Moderate

080003700002000000009420000060000000000800600000000005000097008900005100001000007
600010850000008000000000000000000004000000000040709012000006003000000000098002000
000000300300000005002000040008002000000000009000070050020000910009006000050201080
000000190008400005009700800000040081002000000930080000360009000000000002005001006
000000200000200600047500000000004018400000000012006070800000006004000005090080000
000000000000005004047200000000000000400000003001846020000400080002000000070062305
000006030600500000100000000000001000001000002003040560004200003900800000000000008
000000000000000000003050804100000000800007000200900070008060000005002007071000402
000000000007000002300000006000000004004001800509070010006000200000900407700002300



Regular Clueless Explosion #55B (Apprentice)

Rating based on required solving techniques:  Tough

080003700002000000009420000060000000000800600000000005000097008000005100001000007
600010850000008000000000000000000004000000000040709012000006003000000000098002000
000000300300000005002000040008002000000000009000070050020000910009006000050201080
000000190008400005009700800000000001002000000930080000300009000000000002005001006
000000200000200600047500000000004018400000000012006070800000006004000005090080000
000000000000005004047200000000000000400000003001846020000400080002000000070062305
000006030600500000100000000000001000001000002003040560004200003900800000000000008
000100000000000000003050804000000000800007000200900070008060000005002007071000402
000000000007000002300000006000000004004001800509070010006000200000900407700002300



Regular Clueless Explosion 55C (Master)

Rating based on required solving techniques:  Super Hard

080003700002000000009420000060000000000800600000000005000097008000005100001000007
600010050000008000000000000000000004000000000040709012000006003000000000098002000
000000300300000005002000040008002000000000009000070050020000910009006000050201080
000000090008400005009700800000000001002000000930080000300009000000000002005001006
000000000000200600047500000000004018400000000012006070800000006004000005090080000
000000000000005004047200000000000000400000003001846020000400080000000000070062305
000006030000500000100000000000001000001000002003040560004200003900800000000000008
000100000000000000003050804000000000800007000200900070008060000005000007071000402
000000000007000002300000006000000004004001800509070010006000200000900407700002300

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