Variations on Advanced Sudoku Logic Puzzles (Vol 1)
Chapter 29: Four Difficult Sudoku-15 Puzzles (numbers 95-98)
- Step-by-step instructions for solving Puzzle 95, (101/225) Diff: 10/99.9465.2376
- Step-by-step instructions for solving Puzzle 96, (115/225) Diff: 11/999.9998.3242
- Step-by-step instructions for solving Puzzle 97, (113/225) Diff: 12/9989.4898.9765
- Step-by-step instructions for solving Puzzle 98, (130/225) Diff: 14/99.9969.9973.4893