Variations on Advanced Sudoku Logic Puzzles (Vol 1)
Chapter 12: Four Challenging Sudoku-12up Puzzles (numbers 33-36)
- Step-by-step instructions for solving Puzzle 33, (90/144) Diff: 16/8642.1D33.7758.9972
- Step-by-step instructions for solving Puzzle 34, (88/144) Diff: 19/973.1235.5212.4596.5584
- Step-by-step instructions for solving Puzzle 35, (81/144) Diff: 20/9544.4354.4344.4223.2474
- Step-by-step instructions for solving Puzzle 36, (83/144) Diff: 20/8344.1A33.2213.4469.9635