There are two difficulties to choose from.
Both puzzles have the same solution.A) Apprentice (mainstream edition).
B) Master (81 Intersections, 8 Naked Pairs, 1 Naked Triplet,
1 Skyscraper in g9).
Select to view GRID numbers.Regular Clueless Special #10A (Apprentice)Rating based on required solving techniques: Moderate
900050100030900000000000023000000004500000007090000005800530000052000000000200070
000100000060002008870004020005000900000000806004000200400000000010000030000400609
000600020017080000000005009050000004300000000002000006000000000040000537070006900
000009800000080003850200064010000020900000000030000100000005080002300001309000050
470000300000000056000700000908000000000000070006000040000001003020090080050030012
000300000000400802051060400000000000200000000005000027709026001080000050000008006
000634000000000070094000003600000000000000750000000400089000060007000200030092007
000000001290003080300040000000000100000000500006000800900006203050038000000000040
603080000010305870000000900000000180007000000940000300000800009000701050075000600
Regular Clueless Special #10B (Master)Rating based on required solving techniques: Barely Extra Hard
900850100030900000000000023000000000500000007000000005810030400052000000000200079
000105000060000408870004020005000900000000806004000200400800000010000730050400009
000600020010000050000005009050000804300000000002000006000000000600200037070006900
000009800006080003000200964010000020900000006000000100000005080502300000300000050
470000300000000056000700000908000000000000670006000040000001003020090000650000012
000300000000400802051060400000000000200000000005000007709026001180000050000008006
000634000000000170090000003600000000000000050000000400089070000007000200030002500
000900000290000080300040000007000100000000500006000800980006203050038000000000040
603080000010305070000000900000000180007000000940000300000800049000701050075000600
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