Difficult Sudoku Logic Puzzles (Vol 1)
Chapter 5: Thirty Difficult (DiffLev 11) Sudoku Puzzles (numbers 61-90)
- Step-by-step instructions for solving Puzzle 61, (48/81) Diff: 11/954.3432.3464
- Step-by-step instructions for solving Puzzle 62, (48/81) Diff: 11/93A.1112.4993
- Step-by-step instructions for solving Puzzle 63, (49/81) Diff: 11/864.1245.4672
- Step-by-step instructions for solving Puzzle 64, (50/81) Diff: 11/744.6654.3452
- Step-by-step instructions for solving Puzzle 65, (51/81) Diff: 11/952.C324.5971
- Step-by-step instructions for solving Puzzle 66, (51/81) Diff: 11/823.4762.4672
- Step-by-step instructions for solving Puzzle 67, (51/81) Diff: 11/744.4683.2463
- Step-by-step instructions for solving Puzzle 68, (51/81) Diff: 11/735.4865.3343
- Step-by-step instructions for solving Puzzle 69, (51/81) Diff: 11/669.8512.4342
- Step-by-step instructions for solving Puzzle 70, (51/81) Diff: 11/412.3556.9564
- Step-by-step instructions for solving Puzzle 71, (52/81) Diff: 11/986.2433.5453
- Step-by-step instructions for solving Puzzle 72, (52/81) Diff: 11/654.7724.7541
- Step-by-step instructions for solving Puzzle 73, (52/81) Diff: 11/644.5543.4692
- Step-by-step instructions for solving Puzzle 74, (52/81) Diff: 11/422.3655.7971
- Step-by-step instructions for solving Puzzle 75, (53/81) Diff: 11/563.4554.5664
- Step-by-step instructions for solving Puzzle 76, (53/81) Diff: 11/544.2335.6588
- Step-by-step instructions for solving Puzzle 77, (54/81) Diff: 11/996.5422.4463
- Step-by-step instructions for solving Puzzle 78, (54/81) Diff: 11/953.5544.5463
- Step-by-step instructions for solving Puzzle 79, (54/81) Diff: 11/831.2424.8894
- Step-by-step instructions for solving Puzzle 80, (54/81) Diff: 11/433.33C3.6893
- Step-by-step instructions for solving Puzzle 81, (55/81) Diff: 11/744.3336.7882
- Step-by-step instructions for solving Puzzle 82, (55/81) Diff: 11/544.4346.6892
- Step-by-step instructions for solving Puzzle 83, (55/81) Diff: 11/525.2597.8642
- Step-by-step instructions for solving Puzzle 84, (55/81) Diff: 11/333.4776.6763
- Step-by-step instructions for solving Puzzle 85, (56/81) Diff: 11/863.1245.5994
- Step-by-step instructions for solving Puzzle 86, (56/81) Diff: 11/855.7512.5791
- Step-by-step instructions for solving Puzzle 87, (56/81) Diff: 11/775.4B37.3396
- Step-by-step instructions for solving Puzzle 88, (56/81) Diff: 11/647.5336.7753
- Step-by-step instructions for solving Puzzle 89, (57/81) Diff: 11/755.6366.5734
- Step-by-step instructions for solving Puzzle 90, (57/81) Diff: 11/644.3754.8682