Variations on Sudoku-by5 Logic Puzzles (Vol 1)
Chapter 13: Three Challenging Sudoku-Xtreme Puzzles (numbers 31-33)
- Step-by-step instructions for solving Puzzle 31, (269/369) Diff: 15/996.8999.9999.9995
- Step-by-step instructions for solving Puzzle 32, (258/369) Diff: 16/9999.9999.53A2.6996
- Step-by-step instructions for solving Puzzle 33, (250/369) Diff: 19/999.9967.6999.9652.4765