Difficult Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 8: Twelve Difficult (DiffLev 12-14) HyperSudoku-12 Puzzles (numbers 61-72)
- Step-by-step instructions for solving Puzzle 61, (94/144) Diff: 12/9698.6547.9994
- Step-by-step instructions for solving Puzzle 62, (96/144) Diff: 12/7644.4789.9991
- Step-by-step instructions for solving Puzzle 63, (92/144) Diff: 13/9.8999.9986.1145
- Step-by-step instructions for solving Puzzle 64, (93/144) Diff: 13/9.9755.9957.9442
- Step-by-step instructions for solving Puzzle 65, (96/144) Diff: 13/9.5879.9988.3354
- Step-by-step instructions for solving Puzzle 66, (85/144) Diff: 14/96.3379.5421.3599
- Step-by-step instructions for solving Puzzle 67, (92/144) Diff: 14/99.9644.4664.9731
- Step-by-step instructions for solving Puzzle 68, (95/144) Diff: 14/99.5259.8789.8641
- Step-by-step instructions for solving Puzzle 69, (95/144) Diff: 14/97.5789.7545.8753
- Step-by-step instructions for solving Puzzle 70, (98/144) Diff: 14/96.6324.6569.9955
- Step-by-step instructions for solving Puzzle 71, (99/144) Diff: 14/94.3795.6249.9998
- Step-by-step instructions for solving Puzzle 72, (102/144) Diff: 14/94.4996.9998.4336