Variations on Sudoku-by5 Logic Puzzles (Vol 1)
Chapter 4: Three Medium Sudoku-by5 Puzzles (numbers 4-6)
- Step-by-step instructions for solving Puzzle 4, (201/369) Diff: 5/9.9992
- Step-by-step instructions for solving Puzzle 5, (207/369) Diff: 6/99.9942
- Step-by-step instructions for solving Puzzle 6, (224/369) Diff: 6/99.9992