There are three difficulties to choose from.
All three puzzles have the same solution.A) Novice.
B) Apprentice (mainstream edition).
C) Master (61 Intersections, 6 Naked Pairs, 5 Naked Triplets, 1 Naked Quad,
3 Skyscrapers: one in g5, one in g7 and one in g9).
Select to view GRID numbers.Regular Clueless Special #26A (Novice)Rating based on required solving techniques: Moderate
020000000100890600000600500006000002000000080070000000090000007008030009300200060
000002085700000090006000030900000000050000000001000070060000102100090000507040000
006000000200109040080000063418000500000000090000000000000000005070090080005048630
000000000051200007000300008030000000000000034070000005500000402009087000108000000
020000100008000700003050004016000000700000500040000063009600000000080050037001800
000000000000004800752000000260000400000000200007000000009706080003000904078000060
000350060020000709010000004009000006080000002006000050000000200405003000000069405
070601000000900327000000090010000000000000900000000002200130000400050070093000080
000000500126009807000027010005000000900000000000000690004000006080700050300001704
Regular Clueless Special #26B (Apprentice)Rating based on required solving techniques: Tough
020000000100890600000600500006000002000000080070000000090000007008030009300200060
000002085000000090006000030900000008050000000001000070060000102100090000507040000
006000000200109040080000063018000500000000090000000000000000005070090080005048630
000000090051200007000300008030000000000000034070000005500000402009087000108000000
020000100008000700003050004016000000700000500040000063009000000000080050037001800
000000000000004800752000000260000400000000200007000000009706080003000904070000060
000050060020000709010000004009000006080000002006000050000000200405003000000069405
070601000000900327000000090010000000000000900000000002200130000400050070093000080
000000500126009807000027010005000000900000000000000690004000006080700050300001704
Regular Clueless Special #26C (Master)Rating based on required solving techniques: Extra Hard
020000000100890600000600500006000002000000080070000000090000007008030009300200060
000002085000000090006000030900000008050000000001000070060000102100090000507040000
006000000200109040080000063018000500000000090000000000000000005070090080005048630
000000090051200007000300008030000000000000034070000005500000402009087000108000000
020000100000000700003050004006000000700000500040000063009000000000080050037001800
000000000000004800752000000260000400000000200007000000009706080003000904070000060
000050060020000709010000004000000006080000002006000050000000200405003000000069405
070601000000900327000000090010000000000000900000000002200130000400050070093000080
000000500126009807000027010005000000900000000000000690004000006080700050300001704
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