Variations on Advanced Sudoku Logic Puzzles (Vol 1)
Chapter 51: Four Easy HyperSudoku-16 Puzzles (numbers 169-172)
- Step-by-step instructions for solving Puzzle 169, (93/256) Diff: 3/991
- Step-by-step instructions for solving Puzzle 170, (86/256) Diff: 4/9942
- Step-by-step instructions for solving Puzzle 171, (111/256) Diff: 4/9992
- Step-by-step instructions for solving Puzzle 172, (121/256) Diff: 4/9993