Variations on Intermediate Sudoku Logic Puzzles (Vol 1)

Chapter 6: Eight Difficult Sudoku-7 Puzzles (numbers 17-24)

• Step-by-step instructions for solving Puzzle 17, (38/49)   Diff: 9/3.4331.3479
• Step-by-step instructions for solving Puzzle 18, (36/49)   Diff: 10/42.3523.4544
• Step-by-step instructions for solving Puzzle 19, (38/49)   Diff: 10/53.3312.4485
• Step-by-step instructions for solving Puzzle 20, (38/49)   Diff: 10/33.3343.4681
• Step-by-step instructions for solving Puzzle 21, (38/49)   Diff: 11/341.2235.5553
• Step-by-step instructions for solving Puzzle 22, (38/49)   Diff: 11/213.3434.4842
• Step-by-step instructions for solving Puzzle 23, (36/49)   Diff: 12/4134.3621.2541
• Step-by-step instructions for solving Puzzle 24, (38/49)   Diff: 12/51A1.2223.4764