Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 43: Two Challenging (DiffLev 18-20) Projectingly Puzzles (numbers 165-166)
- Step-by-step instructions for solving Puzzle 165, (89/144) Diff: 18/95.1C11.A234.3148.9996
- Step-by-step instructions for solving Puzzle 166, (101/144) Diff: 20/8546.4524.4775.4339.7635