SudokuSolver Forum

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

A) Novice.
B) Apprentice (mainstream edition).
C) Master (89 Intersections, 4 Naked Pairs, 3 Naked Triplets, 3 Naked Quads, 3 Hidden Pairs, 1 Hidden Triplet, 3 Skyscrapers: one in g1, one in g5 and one in g7). Select to view GRID numbers.
D) Guru (75 Intersections, 3 Naked Pairs, 1 Naked Triplet, 1 Naked Quad, 1 Hidden Pair, 1 Hidden Triplet, 2 X-Wing, 1 Skyscraper, 2 Two String Kites, 2 Turbot Fishes, 2 Finned X-Wing, 2 Finned Swordfish, 2 Grouped X-Wing, 1 Grouped Swordfish (222), 7 Grouped Turbot Fishes, 2 XYZ-Wings, 1 Y-Wing).
Some of the less sophisticated advanced techniques are likely not needed.



Regular Clueless Explosion #25A (Novice)

Rating based on required solving techniques:  Moderate

000040008000000300093000010069000000500001000007004106000430000000006000308007054
000006080001000900608005000000500001100000000050092007000021000000008500020000140
000000000004003000002960401000000048300007000100400700059000000000000000200008060
006002007900000000008050900000000002100000000400820005004000000000300008500100070
000000760000000002680705000010000040000100600070063000007002008009000000001008000
000040070005006000040000800600000000200800007000450908000600000703000000080037009
900040000400000000000006954000000007200700100007010000000000400000000009002098073
000000000600009000007036509000007080300000000000060405012500000003000000000020800
701000000000300000200080004000050010006008000900060000000006030002000009100800400



Regular Clueless Explosion #25B (Apprentice)

Rating based on required solving techniques:  Moderate

000049008000000300003000010069003000500001000007000100000400000000006000308000054
000000080000000906600005000000000201100000000000092007900020000300000000020000140
001000080000003000002000001000006048000007000100400000059000000000600002000008560
006002007900000000000050920000006040100000000000820000684000010000300008500000000
090080060000000002680705000000007040000000600000063000007600008009000200001000000
000040070000006200140000800600000000200800000000450908000600700703000000080037009
000040000400000000000086950000800007200700000007000000800000400000004009102090073
000000000608009000000036500000007080300000000000060405010500300003000000000020800
701090000000300001200000004000000613300008900000060000009006800002000000100800400



Regular Clueless Explosion #25C (Master)

Rating based on required solving techniques:  Extra Hard

000040008000000300093000010069000000500001000007004106000430000000006000308007054
000006080001000900608005000000500001100000000050092007000021000000008500020000140
000000000004003000002960401000000008000007000100400700009000000000000000200008060
006000007900000000008050900000000002100000000400820005004000000000300008500100070
000000060000000002680705000000000040000100600000063000007002008009000000001008000
000040070005006000040000800600000000200800007000450908000000000700000000080037009
000000000400000000000006954000000007200700100007010000000000400000000009002098073
000000000000009000007036509000007080300000000000060405010500000003000000000020800
701000000000300000200080004000050010006008000900060000000006030002000009100800400



Regular Clueless Explosion #25D (Guru)

Rating based on required solving techniques:  Super Hard

000040008000000000093000010069000000500001000007004106000430000000006000308007054
000006080000000900608005000000500000100000000050092007000021000000008500020000140
000000000004003000002960401000000008300007000100400700009000000000000000200008060
006000007900000000008050900000000042100000000400820005084000000000300008500100070
000000060000000002680705000010000040000100600070063000007002008009000000001008000
000040070005006000040000800600000000200800007000450908000000000703000000080037009
900000000400000000000006954000800007200700100007010000000000400000004009002098073
000000000000009000007036509000007080300000000000060405012500000003000000000020800
701000000000300000200080004000050010006008000900060000000006030002000009100800400

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