Variations on Advanced Sudoku Logic Puzzles (Vol 1)
Chapter 3: Four Easy Sudoku-12 Puzzles (numbers 1-4)
- Step-by-step instructions for solving Puzzle 1, (48/144) Diff: 3/992
- Step-by-step instructions for solving Puzzle 2, (48/144) Diff: 3/991
- Step-by-step instructions for solving Puzzle 3, (54/144) Diff: 3/992
- Step-by-step instructions for solving Puzzle 4, (70/144) Diff: 4/9993