Variations on Sudoku-by5 Logic Puzzles (Vol 1)
Chapter 31: Three Easy HyperSudoku-Xtreme Puzzles (numbers 85-87)
- Step-by-step instructions for solving Puzzle 85, (155/369) Diff: 3/991
- Step-by-step instructions for solving Puzzle 86, (164/369) Diff: 3/991
- Step-by-step instructions for solving Puzzle 87, (202/369) Diff: 4/9993