SudokuSolver Forum

There are four difficulties to choose from.
All four puzzles have the same solution.

A) Novice.
B) Apprentice (mainstream edition).
C) Journeyman (52 Intersections, 2 Naked Pairs, 1 X-Wing in g4). Select to view GRID numbers.
D) Master (14 Intersections, 1 Empty Rectangle in g3, 1 X-Wing in g9, 1 Skyscraper in g9). Select to view GRID numbers.
The advanced techniques are needed in 2 different grids.



Regular Clueless Explosion #40A (Novice)

Rating based on required solving techniques:  Moderate

000000000000000000400906100000009010000002004207400005500000007000001000008000500
000000002600000000009006004000000010005000009470520000000400350000000000190080000
000003700000000001800105060000000290600002000010008000002410008009000100008000006
000008009000400000001000006020000000000900000004001078300000000000000100045020030
000090000700000006004001009060100004200009000000700230000006000000000000900000182
000000100000200000030800000700008000200006000900040206000030009100000300005000000
002000060008000000000008004000900000200007005000050802006002000000000000509006003
600002000000000000005000100000008000800000500900020600006003200700004000300000400
800000000000105003600900000000002000007001009003050740006070004000000900700006300



Regular Clueless Explosion #40B (Apprentice)

Rating based on required solving techniques:  Tough

800000350000000000400930000000000210000002000007400005500098007002000800000000000
008000062000000000009006004000000010005000400470500600200400300000600000090080000
000603700000000001800100060080000290000000800010908000002410000000000100008000006
000008009009400000001000006020000000100900000000001078300000000000000100045020030
000095000700000406004001009060100000200009000000700200000010000400000000930000082
090000100000200000030800000700020950000006000000040006006031009100000300005000000
002730100608000000000008000400900000000007005000050002006000080000000001500006003
600100300000000000005000100200008000800000000000020600006013200000004000000000460
800000000000005003600900000000002000407001000003050740006070104000500000700000300



Regular Clueless Explosion 40C (Journeyman)

Rating based on required solving techniques:  Hard

006000050000000000000930000300000210000002004007400005000090007000001800000000000
000001002000000000009006004000060010005000400470500600200400300000600000190000000
500003700000000001000005060080000290600000000000908000002410000009000100008000006
000008009009400000001700006020080000100000400000001078300000000000600100045020030
000005000000000406000000009360000004000009000000700030000206000400000000930000180
090000100000200700030800000700008000200000000900040206006030009100600000005000000
000730100008000000000000004405920000200007005000000000070002080000000001509006003
600100000000000000005000000000508000800000000900020600006013200700004000300000060
800000000004100003600900400000002000000000009003000740506000104000500000000006300



Regular Clueless Explosion 40D (Master)

Rating based on required solving techniques:  Extra Hard

000000000000000000400906100000009010000002004207400005500000007000001000008000500
000000002600000000009006004000000010005000009470520000000400350000000000190080000
500003700000000001800105060000000290600002000010008000002410008009000100008000006
000008009000400000001000006020000000000900000004001078300000000000000100045020030
000090000700000006004001009060100004200009000000700230000006000000000000900000182
000000100000200000030800000700008000200006000900040206000030009100000300005000000
002000060008000000000008004000900000200007005000050802006002000000000000509006003
600002000000000000005000100000008000800000500900020600006003200700004000300000400
800000000000005003600900000000002000007001009003050740006070004000000900700006300

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