Difficult Sudoku Eight Logic Puzzles (Vol 1)
Chapter 11: Sixteen Difficult (DiffLev 9-10) HyperSudoku-8up Puzzles (numbers 127-142)
- Step-by-step instructions for solving Puzzle 127, (40/64) Diff: 9/7.3411.4866
- Step-by-step instructions for solving Puzzle 128, (43/64) Diff: 9/4.1345.7784
- Step-by-step instructions for solving Puzzle 129, (44/64) Diff: 9/8.4563.6732
- Step-by-step instructions for solving Puzzle 130, (44/64) Diff: 9/6.3123.9991
- Step-by-step instructions for solving Puzzle 131, (45/64) Diff: 9/6.4354.5864
- Step-by-step instructions for solving Puzzle 132, (46/64) Diff: 9/5.5554.4864
- Step-by-step instructions for solving Puzzle 133, (47/64) Diff: 9/5.4776.6651
- Step-by-step instructions for solving Puzzle 134, (47/64) Diff: 9/4.5646.9642
- Step-by-step instructions for solving Puzzle 135, (41/64) Diff: 10/52.2234.7781
- Step-by-step instructions for solving Puzzle 136, (42/64) Diff: 10/61.3643.5581
- Step-by-step instructions for solving Puzzle 137, (44/64) Diff: 10/68.5443.3551
- Step-by-step instructions for solving Puzzle 138, (45/64) Diff: 10/43.1357.9571
- Step-by-step instructions for solving Puzzle 139, (46/64) Diff: 10/87.4133.6851
- Step-by-step instructions for solving Puzzle 140, (47/64) Diff: 10/97.3344.6532
- Step-by-step instructions for solving Puzzle 141, (47/64) Diff: 10/76.4666.2451
- Step-by-step instructions for solving Puzzle 142, (47/64) Diff: 10/55.7455.3553