Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 17: Two Challenging (DiffLev 15-18) Ambidextrous Puzzles (numbers 113-114)
- Step-by-step instructions for solving Puzzle 113, (88/144) Diff: 15/654.6465.5156.6699
- Step-by-step instructions for solving Puzzle 114, (91/144) Diff: 18/64.4348.2122.6587.7985