There are three difficulties to choose from.
All three puzzles have the same solution.A) Apprentice (mainstream edition).
B) Master (94 Intersections, 8 Naked Pairs, 6 Naked Triplets, 1 Naked Quad,
2 Skyscrapers: one in g2 and one in g5).
Select to view GRID numbers.C) Guru (100 Intersections, 11 Naked Pairs, 5 Naked Triplets, 6 Naked Quads, 3 X-Wing, 1 Skyscraper, 5 Turbot Fishes, 1 Finned X-Wing, 2 Finned Swordfish, 4 Grouped Turbot Fishes, 1 XY-Wing, 1 XY-Chain up to 5 links).
Regular Clueless Explosion #10A (Apprentice)Rating based on required solving techniques: Tough
000007020000006001400010300000000000000800200208005040000000980000200000610900000
000000200000001006001020000607500080000000000008006000090000000000700800800300021
100000008002900000000300000000000040000600001086000000850040000000105009003000006
000000000000005000030010000000060000205008000700002680102000000009400000800006005
700000003000000000005420000000004030000000002380090060000607000001000005400900800
040000000000000001086970005000000109000004000062030800000000002009500000800006000
000001000000000600090000700000002000000000000018060040006000000000307001000040270
005001000000007008000000030006000079400200000020900000000000004800004007500190800
000000000000004006270006000009000000000000000010090430000600008003000105490800020
Regular Clueless Explosion #10B (Master)Rating based on required solving techniques: Extra Hard
000007020000006001400010300000000000000800200208005040000000980000200000610900000
000000200000001006001000000607500080000000000008006000090000000000700800800300021
100000008002900000000300000000000040000600001086000000850040000000105009003000006
000000000000005000030010000000060000205008000700002680102000000009400000800006005
700000003009000000005420000000004000000000002380090060000607000001000000400900800
040000000000000001086970005000000109000004000062030800000000002009500000800006000
000001000000000600090000700000002000000000000018060040706000000000307001000040270
005001000000007008000000030006000079400200000020900000000000904800004007500100800
000000000000004006270006000000000000000000000010090430000600008003000105490800020
Regular Clueless Explosion #10C (Guru)Rating based on required solving techniques: Ultra Hard
000007020000006001400010300000000000000800200208005040000000980000000000610900000
000000200000001006001000000607500080000000000008006000490000000000700800800300021
100000008002900000000300000000000040000600001086000000850040000000105009003000006
000000000000005000030010000000060000205008000700002680102000000009400000800006005
700000003009000000005420000000004000000000002380090060000607000001000000400900800
040000000000000001086970005000000109000004000062030800000000002009500000800006000
000001000000000600090000700000002000000000000018060040706000000000307001000040270
005001000000007008000000030006000079400200000020900000000000904800004007500100800
000000000000004006270006000000000000000000000010090430000000008003000105490800020
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