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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 (65 Intersection, 3 Naked Pair, 2 Skyscraper: one on 4 in g3 and one on 5 in g9, 2 Two String Kite: one on 6 in g5 and one on 9 in g10). Select to view details.

The advanced techniques are needed in 4 different grids.  There are red herring Skyscrapers!

Regular Clueless Explosion #59A (Novice)

Rating based on required solving techniques:  Moderate

000701000000000600007005200720000000000000008000609000400000010005008009900004500
004000000000000000006048700910000300000000000000004091507600009009002000000000000
000000009000000000000068700005070000008002000900000046000001000003000000601500820
062000400500000000000301060000017000000000006020006300000004200004003009000900000
000000004000500000083000790400000060600000000002030009001000000008002001000004320
000070008007000000000040700003000060000000507046007000600000093400000000100009005
000405000100003000003000790000609003004000000710000500000006000000000000960008030
000000001700000008060904000000200706000000000040036050007000000000000009021058670
003000040000002000000430001000000103709000000020500900000049060000300800032000009



Regular Clueless Explosion #59B (Apprentice)

Rating based on required solving techniques:  Moderate

000701000000000600007005200020000000000000008000609000400000010005008009900004500
004000000000000000006048700010000300000000000000004091507600009009002000000000000
040000009000000000000068700005070000008002000900000046000001000003000000601500820
062000400500000000000301060000017000000000006020006300000004200004003009000900000
000000004000500000083000790400000060600000000002030009001000000008002001000004320
000070008000000000000040700003000060000000507040007000600000093400000000100009005
000405000100003000003000790000609003004000000710000500000006000000000000960008030
000000001700000008060004000000200706000000000040036050007000000000000009021058670
003000040000002000000400001000000103709000000020500900000049060000300800032000009



Regular Clueless Explosion 59C (Master)

Rating based on required solving techniques:  Extra Hard

000701000000000600007005200720000000000000008000609000400000010005008009900004500
004000000000000000006048700010000300000000000000004091507600009009002000000000000
040000009000000000000068700005070000008002000900000046000201000003000000601500820
062000400500000000000301060000017000000000006020006300000004200004003009000900000
000000004000500000083000790400000060600000000002030009001060000008002001000004320
000070008000000000000040700003000060000000507040007000600000093400000000100009005
000405000100003000003000790000609003004000000710000500000006000000000000960008030
000000001700000008060004000000200706000000000040036050007000000000000009021058670
003000040000002000000400001000000103709000000020500900000040060000300800032000009

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