Variations on Intermediate Sudoku Logic Puzzles (Vol 1)
Chapter 46: Eight Difficult Sudoku-8-X Puzzles (numbers 261-268)
- Step-by-step instructions for solving Puzzle 261, (43/64) Diff: 9/5.2478.5462
- Step-by-step instructions for solving Puzzle 262, (42/64) Diff: 11/844.2212.4834
- Step-by-step instructions for solving Puzzle 263, (45/64) Diff: 11/134.3224.8774
- Step-by-step instructions for solving Puzzle 264, (49/64) Diff: 11/354.3222.3599
- Step-by-step instructions for solving Puzzle 265, (50/64) Diff: 11/132.2268.9942
- Step-by-step instructions for solving Puzzle 266, (50/64) Diff: 11/114.2377.9673
- Step-by-step instructions for solving Puzzle 267, (48/64) Diff: 12/3746.5314.6333
- Step-by-step instructions for solving Puzzle 268, (50/64) Diff: 12/1224.5453.5792