Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 26: Two Challenging (DiffLev 18-20) Farsightedly Puzzles (numbers 131-132)
- Step-by-step instructions for solving Puzzle 131, (93/144) Diff: 18/65.5964.7932.2222.5992
- Step-by-step instructions for solving Puzzle 132, (92/144) Diff: 20/8742.211D.46D2.3333.4797