Challenging Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 34: Two Challenging (DiffLev 15-18) Metalworking Puzzles (numbers 147-148)

• Step-by-step instructions for solving Puzzle 147, (89/144)   Diff: 15/962.5696.4634.6594
• Step-by-step instructions for solving Puzzle 148, (100/144)   Diff: 18/87.5326.4765.7653.5794