Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 28: Two Challenging (DiffLev 15-17) Flowcharting Puzzles (numbers 135-136)
- Step-by-step instructions for solving Puzzle 135, (88/144) Diff: 15/969.6211.2466.9981
- Step-by-step instructions for solving Puzzle 136, (96/144) Diff: 17/5.3376.9994.3344.6952