Difficult Sudoku Seven Logic Puzzles (Vol 1)

Chapter 15: Fourteen Difficult (DiffLev 9-10) Sudoku-7D Puzzles (numbers 163-176)

• Step-by-step instructions for solving Puzzle 163, (36/49)   Diff: 9/3.2235.6681
• Step-by-step instructions for solving Puzzle 164, (37/49)   Diff: 9/3.31A2.4794
• Step-by-step instructions for solving Puzzle 165, (35/49)   Diff: 10/42.4323.3563
• Step-by-step instructions for solving Puzzle 166, (35/49)   Diff: 10/33.5731.2353
• Step-by-step instructions for solving Puzzle 167, (36/49)   Diff: 10/62.2323.3465
• Step-by-step instructions for solving Puzzle 168, (36/49)   Diff: 10/61.3112.3593
• Step-by-step instructions for solving Puzzle 169, (36/49)   Diff: 10/54.2344.3542
• Step-by-step instructions for solving Puzzle 170, (38/49)   Diff: 10/32.3244.6842
• Step-by-step instructions for solving Puzzle 171, (38/49)   Diff: 10/23.5523.4662
• Step-by-step instructions for solving Puzzle 172, (38/49)   Diff: 10/22.2347.4446
• Step-by-step instructions for solving Puzzle 173, (39/49)   Diff: 10/43.2246.3672
• Step-by-step instructions for solving Puzzle 174, (39/49)   Diff: 10/42.4432.3764
• Step-by-step instructions for solving Puzzle 175, (39/49)   Diff: 10/32.2235.6592
• Step-by-step instructions for solving Puzzle 176, (39/49)   Diff: 10/21.5535.4491