Variations on Intermediate Sudoku Logic Puzzles (Vol 1)
Chapter 53: Four Easiest Sudoku-8up Puzzles (numbers 309-312)
- Step-by-step instructions for solving Puzzle 309, (22/64) Diff: 2/94
- Step-by-step instructions for solving Puzzle 310, (22/64) Diff: 2/93
- Step-by-step instructions for solving Puzzle 311, (22/64) Diff: 2/92
- Step-by-step instructions for solving Puzzle 312, (22/64) Diff: 2/92