Variations on Sudoku-by5 Logic Puzzles (Vol 1)
Chapter 26: Three Difficult HyperSudoku-by5 Puzzles (numbers 70-72)
- Step-by-step instructions for solving Puzzle 70, (232/369) Diff: 9/9.9999.9555
- Step-by-step instructions for solving Puzzle 71, (247/369) Diff: 14/99.9999.9999.4585
- Step-by-step instructions for solving Puzzle 72, (252/369) Diff: 14/99.9999.9999.9961