Difficult Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 5: Twelve Difficult (DiffLev 9-11) Sudoku-12up Puzzles (numbers 25-36)

• Step-by-step instructions for solving Puzzle 25, (74/144)   Diff: 9/9.8789.8932
• Step-by-step instructions for solving Puzzle 26, (77/144)   Diff: 9/9.9897.6341
• Step-by-step instructions for solving Puzzle 27, (85/144)   Diff: 9/9.6999.9992
• Step-by-step instructions for solving Puzzle 28, (80/144)   Diff: 10/85.9978.7991
• Step-by-step instructions for solving Puzzle 29, (87/144)   Diff: 10/99.9999.8652
• Step-by-step instructions for solving Puzzle 30, (79/144)   Diff: 11/934.7978.7964
• Step-by-step instructions for solving Puzzle 31, (82/144)   Diff: 11/996.3569.9863
• Step-by-step instructions for solving Puzzle 32, (83/144)   Diff: 11/999.7635.8961
• Step-by-step instructions for solving Puzzle 33, (87/144)   Diff: 11/987.8589.9864
• Step-by-step instructions for solving Puzzle 34, (87/144)   Diff: 11/966.8799.6596
• Step-by-step instructions for solving Puzzle 35, (88/144)   Diff: 11/967.6869.9972
• Step-by-step instructions for solving Puzzle 36, (94/144)   Diff: 11/989.7388.9969