SudokuSolver Forum

There are four difficulties to choose from.
All four puzzles have the same solution.

A) Novice.
B) Apprentice (mainstream edition).
C) Master (53 Intersections, 2 Naked Pairs, 3 Naked Triplets, 3 Naked Quads, 4 Hidden Pairs, 3 XY-Wings in g4). Select to view GRID numbers.
D) Chief Wizard. Solvable using logic only? JSudoku needs 1 Recursively Solve, which makes 38 guesses and traverses 1326196554 nodes.



Regular Clueless Special #27A (Novice)

Rating based on required solving techniques:  Moderate

900000040000008700081000030000000000025000100060000008000030000500007203704200005
000000010000000500657000900008000000510000003000000000100260090093000040000070200
000040005000001000907080204042000000000000740100000008009000010030076080800000060
000700200000000006038045000000000000020000100800000030003090060009000002000002043
000700000092000000100020000200000000600000408010000700000050070008009006500100200
000807000000000500480030010000000000020000004010000020000004001841020069002090030
067350000050000004340010020000000400009000000002000970100600000780005030000080057
000000006000013008120007000070000090300000000500000100003001000080030040901400700
000000030490082600000000800010000000302000050000000300001008060903000070020043500



Regular Clueless Special #27B (Apprentice)

Rating based on required solving techniques:  Hard

900600040000008700081700030000000300425000000000000008000039000590007203004000005
000000010000000500607308900008000009510000003000000400100260090093000040000070200
000040005000001000007680200042000000008000740100000000009000010030076080800009060
000700204000000006638005000000000000020000100800000030003090060009000002000002040
000700020090000000100020030200000090600000408000000000001000370008009006500000200
000807000007000500480030010004000006020000100010000020000064001841000009002090030
067350000000000064040010020070000410009000000002000900100600000080005000000000057
005000206004013000100007000070000090310000007500000000003001800080000040901000700
008000030490302600000000800010000000302000050000000300001008060900000070020043500



Regular Clueless Special #27C (Master)

Rating based on required solving techniques:  Super Hard

900600040000008700081000030000000000020000100060000008000030000500007203004200005
000000010000000500657000900008000009010000003000000000100260090093000040000070200
000040005000001000907080204042000000000000700100000008009000010030070080800000060
000700200000000006038045000060000000020000100800000030003090060009000002000502043
000700000092000000100020000200000000600000408010000700000050070008009006500100200
000807000000000500480030010000000000020000004010000020000004001841020069002090030
067300000050000000340010020000000400009000000002000970000600000780005030000080057
000000006000003008120007000070000090300000000500000100003000000080030040901400700
000000030490082600000000800010000000302000050000000300001008060903000070020043500



Regular Clueless Special #27D (Chief Wizard)

8 Naked Singles
38 Hidden Singles
41 Intersections
1 Naked Pair
2 Naked Triplets
3 Naked Quads
3 Hidden Pairs
2 Two String Kites
2 XY-X-Chains up to 3 links
4 Grouped XY-Chains
2 Hidden Unique Rectangle
1 Recursively Solve: Unique solution found with 38 guesses, 1.326.196.544 nodes traversed

Rating based on required solving techniques:  Hellish Nightmare   Solvable using logic only?

900600040000008700081000030000000000020000100060000008000030000500007203004200005
000000010000000500657000900008000009010000003000000000100260090093000040000070200
000040005000001000907080204042000000000000700100000008009000010030070080800000060
000700200000000006038045000000000000020000100800000000003090060009000002000002043
000700000092000000100020000200000000600000408010000700000050070008009006500100200
000807000000000500480030010000000000020000004010000020000004001841020069002090030
067300000050000000340010020000000400009000000002000970000600000780005030000080057
000000006000003008120007000070000090300000000500000100003000000080030040901400700
000000030490082600000000800010000000302000050000000300001008060903000070020043500

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