Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 16: Two Medium (DiffLev 7-8) tpsmith-serious Puzzles (numbers 111-112)
- Step-by-step instructions for solving Puzzle 111, (82/144) Diff: 7/999.9995
- Step-by-step instructions for solving Puzzle 112, (79/144) Diff: 8/9758.9997