Difficult Sudoku Six Logic Puzzles (Vol 1)
Chapter 5: Twenty-Four Difficult (DiffLev 9-10) Sudoku-6up Puzzles (numbers 49-72)
- Step-by-step instructions for solving Puzzle 49, (24/36) Diff: 9/6.2211.5241
- Step-by-step instructions for solving Puzzle 50, (24/36) Diff: 9/4.4212.2432
- Step-by-step instructions for solving Puzzle 51, (24/36) Diff: 9/2.1212.3454
- Step-by-step instructions for solving Puzzle 52, (25/36) Diff: 9/6.3112.3441
- Step-by-step instructions for solving Puzzle 53, (25/36) Diff: 9/5.1212.2822
- Step-by-step instructions for solving Puzzle 54, (26/36) Diff: 9/6.2122.3541
- Step-by-step instructions for solving Puzzle 55, (26/36) Diff: 9/5.2221.3551
- Step-by-step instructions for solving Puzzle 56, (26/36) Diff: 9/4.5211.3532
- Step-by-step instructions for solving Puzzle 57, (26/36) Diff: 9/2.4322.3532
- Step-by-step instructions for solving Puzzle 58, (26/36) Diff: 9/2.2352.2442
- Step-by-step instructions for solving Puzzle 59, (26/36) Diff: 9/2.2312.4453
- Step-by-step instructions for solving Puzzle 60, (27/36) Diff: 9/3.3331.2543
- Step-by-step instructions for solving Puzzle 61, (27/36) Diff: 9/2.3421.3444
- Step-by-step instructions for solving Puzzle 62, (27/36) Diff: 9/1.1223.3753
- Step-by-step instructions for solving Puzzle 63, (24/36) Diff: 10/41.1113.3361
- Step-by-step instructions for solving Puzzle 64, (26/36) Diff: 10/44.1A11.2561
- Step-by-step instructions for solving Puzzle 65, (26/36) Diff: 10/22.1A12.5561
- Step-by-step instructions for solving Puzzle 66, (26/36) Diff: 10/21.1B22.6451
- Step-by-step instructions for solving Puzzle 67, (26/36) Diff: 10/11.2112.3267
- Step-by-step instructions for solving Puzzle 68, (27/36) Diff: 10/52.1222.4432
- Step-by-step instructions for solving Puzzle 69, (27/36) Diff: 10/44.2123.2441
- Step-by-step instructions for solving Puzzle 70, (27/36) Diff: 10/42.2322.3432
- Step-by-step instructions for solving Puzzle 71, (27/36) Diff: 10/32.2234.3341
- Step-by-step instructions for solving Puzzle 72, (27/36) Diff: 10/22.2233.3442