There are three difficulties to choose from.
All three puzzles have the same solution.A) Novice.
B) Apprentice (mainstream edition).
C) Master (72 Intersections, 3 Naked Pairs, 5 Naked Triplets, 3 Naked Quads, 4 Hidden Pairs,
1 XY-Wing in g3,
1 Skyscraper in g1).
Select to view GRID numbers.The advanced techniques are needed in 2 different grids.Regular Clueless Special #22A (Novice)Rating based on required solving techniques: Moderate
000000270030000000009710500004000000605000090090000003050000001020090050008100040
003000026058009000700320050076000000000000010000000500000000001400800900500003000
001000400900004003000900000500000700100000000060000008000060000300002006058300020
030002000000009007001400600004000030009000000800000051290000060003000008000704020
005000000000020000300079060076000000000000030003000500500700800020000001800030007
025600001900000050000504200080000100200000500600000030000006087000080010070001003
740000030000000600000493000800000092205000070000000500102040000003072100004000060
000018000010000680007003050470000006000000090008000000006100030000680004800007002
000010700005007089800000040006000403301000000000000020200008000100000002004030560
Regular Clueless Special #22B (Apprentice)Rating based on required solving techniques: Moderate
000000270030040000009700500004000005600000000090000003050860001020000000008100040
003000026058009000700320000076000000000000010000000500600004001000800905500003000
831000000900084000000900000500000700100000030060000008000060001300002006058300020
030002000000009007001400600004000030009000000800000051290000060000000008000700020
005000090000000000302079060076000000000000030003000500500000800020000001800030007
025000001900000050000504200080000100200000500600000030100006087300080010070001003
048000930000000600000493000807000092205000070000000500100000000003072100004000060
000018000010000680007000050470000006000000090008000000006100030000080004040007002
030010700000007080800000040006000403001000000000000020200008000100000002004030560
Regular Clueless Special #22C (Master)Rating based on required solving techniques: Super Hard
000000270030040000009710500004000000005000090090000003050000001020090050008100040
003000026058009000700020050076000000000000010000000500000004001400800900500003000
001000400900004003000900000500000700100000000060000008000060001300002006058300020
030002000000009007001400600004000030009000000800000050200000060003000008000704020
005000000000020000300079060076000000000000030003000500500700800020000001800030007
025600001900000050000504200080000100200000500600000030000006087000080010070001003
040000930000000600000493000800000092205000070000000000102000000003072100004000060
000018000010000680007003050470000006000000090008000000006100030000680004800007002
000010700005007089800000040006000003301000000000000020200008000100000002004030560
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