Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 35: Two Challenging (DiffLev 19-20) Multipronged Puzzles (numbers 149-150)
- Step-by-step instructions for solving Puzzle 149, (96/144) Diff: 19/953.2433.3442.5897.6657
- Step-by-step instructions for solving Puzzle 150, (88/144) Diff: 20/9422.3566.6446.3344.3365