Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 17: Two Medium (DiffLev 5-6) Ambidextrous Puzzles (numbers 113-114)
- Step-by-step instructions for solving Puzzle 113, (75/144) Diff: 5/9.9991
- Step-by-step instructions for solving Puzzle 114, (69/144) Diff: 6/99.9571