There are four difficulties to choose from.
All four puzzles have the same solution.A) Novice.
B) Apprentice (mainstream edition).
C) Master (83 Intersections, 5 Naked Pairs, 2 Naked Triplets,
1 Uniqueness Test 1 in g9).
Select to view GRID number.D) Guru (106 Intersections, 12 Naked Pairs, 7 Naked Triplets, 4 Naked Quads, 2 Hidden Pairs, 3 X-Wing, 1 Swordfish, 1 Skyscraper, 4 Two String Kites, 1 Empty Rectangle, 3 Turbot Fishes, 2 Finned X-Wing, 1 Finned Swordfish, 2 Grouped X-Wing, 1 Grouped Swordfish (222), 3 Grouped Turbot Fishes, 1 Uniqueness Test 1, 2 XY-Wings, 5 XYZ-Wings, 2 Y-Wings, 1 Uniqueness Test 4, 1 Uniqueness Test 6, 8 XY-Chains up to 5 links, 1 XY-Chain, 9 XY-X-Chains up to 3 links).
Regular Clueless Explosion #16A (Novice)Rating based on required solving techniques: Moderate
010030060000800005050400000070200000000000000900600021008069400000000007007000000
001008000009000004000390500000001200000009800408000000000003091004100000016900000
000000002500000000000780030000000020009000000004502300000906000000000006830001000
005600000000007000000000100000000060000000000308902000000000000000003004059200800
008000000200007003000005000000000000000000009640020007000500001007000008900006040
000000000000000006240706000000000000000000002005904003009200140000000007300005600
090000000000000006007901800800050010006000000000004207600000000000405000400807953
300000800406000000000086050030001000009300000000290008050000031200100600900000500
000000070900000000023006500400000000000504000090008007000003090000000002201600000
Regular Clueless Explosion #16B (Apprentice)Rating based on required solving techniques: Moderate
010030060000800005000400000070200800200000000900600000108069050000000007007000000
701000000000002004000300500000800200000009007408000000000003001000100000006900000
000000062500000000000780030050000029009000000004002300007900000000000006000001900
005609000000007000080000100000000069000000008300902000000000000000003904450070000
008010090005007003000005000000000000000600000640320007020500000007000008900006040
000400009008000006240700000900008000000000000005900000000200140000000007300000000
000006000000000006007900800800050610000300000010000207000000000900405000400800003
300000800006000000000006050000001005009300000060090078050009031000100600900000000
000000073900000000003800500000000000000004100090000007000003090000007000201600000
Regular Clueless Explosion #16C (Master)Rating based on required solving techniques: Super Hard
010030060000800005050400000070200000000000000900600021008069400000000007007000000
001008000009000004000300500000000200000009800408000000000003001004000000016900000
000000062500000000000780030000000020009000000004502300000006000000000006830001000
005600000000007000080000100000000060000000000308902000000000000000003004059200800
008000000200007003000005000000000000000000009640020007000500001007000008900006040
000000000000000006240706000900000000000000002005904003009200140000000007300005600
090000000000000000007901800800050010000000000000004207600000000000405000400807953
000000800406000000000086050030001000009300000000290008050000031200100600900000500
000000070900000000023006500010000000000504000090008007000003090000000002001600000
Regular Clueless Explosion #16D (Guru)Rating based on required solving techniques: Ultra Hard
000030060000800005050400000070200000200000000900600021008069400000000007007000000
001008000009000004000300500000000200000009800408000000000003001004000000016900000
000000062500000000000780030000000020009000000004502300000006000000000006830001000
005600000000007000080000100000000060000000000308902000000000000000003004059200800
008000000200007003000005000000000000000000009640020007000500001007000008900006040
000000000000000006240706000000000000000000002005904003009200140000000007300005600
090000000000000000007901800800050010000000000000004207600000000000405000400807953
000000800406000000000086050000001000009300000000290008050000031200100600900000500
000000070900000000023006500000000000000504000090008007000003090000000002201600000
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