Difficult Sudoku Eight Logic Puzzles (Vol 1)

Chapter 7: Sixteen Difficult (DiffLev 9-10) HyperSudoku-8 Puzzles (numbers 63-78)

• Step-by-step instructions for solving Puzzle 63, (40/64)   Diff: 9/9.5222.4961
• Step-by-step instructions for solving Puzzle 64, (42/64)   Diff: 9/7.7763.4152
• Step-by-step instructions for solving Puzzle 65, (43/64)   Diff: 9/6.7854.2371
• Step-by-step instructions for solving Puzzle 66, (43/64)   Diff: 9/6.6221.5669
• Step-by-step instructions for solving Puzzle 67, (44/64)   Diff: 9/4.4445.4692
• Step-by-step instructions for solving Puzzle 68, (45/64)   Diff: 9/4.5655.6464
• Step-by-step instructions for solving Puzzle 69, (46/64)   Diff: 9/7.3576.5553
• Step-by-step instructions for solving Puzzle 70, (46/64)   Diff: 9/4.5876.5632
• Step-by-step instructions for solving Puzzle 71, (40/64)   Diff: 10/75.7423.2145
• Step-by-step instructions for solving Puzzle 72, (43/64)   Diff: 10/84.6233.6542
• Step-by-step instructions for solving Puzzle 73, (43/64)   Diff: 10/77.8531.2352
• Step-by-step instructions for solving Puzzle 74, (45/64)   Diff: 10/66.4363.4562
• Step-by-step instructions for solving Puzzle 75, (46/64)   Diff: 10/68.5114.4584
• Step-by-step instructions for solving Puzzle 76, (47/64)   Diff: 10/45.4543.5683
• Step-by-step instructions for solving Puzzle 77, (47/64)   Diff: 10/34.3666.4672
• Step-by-step instructions for solving Puzzle 78, (48/64)   Diff: 10/66.3235.8942