Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 23: Two Medium (DiffLev 6-8) Demonstrably Puzzles (numbers 125-126)
- Step-by-step instructions for solving Puzzle 125, (77/144) Diff: 6/99.9972
- Step-by-step instructions for solving Puzzle 126, (89/144) Diff: 8/9999.9954