Difficult Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 7: Twelve Difficult (DiffLev 9-11) HyperSudoku-12 Puzzles (numbers 49-60)

• Step-by-step instructions for solving Puzzle 49, (87/144)   Diff: 9/9.9999.9955
• Step-by-step instructions for solving Puzzle 50, (87/144)   Diff: 9/9.9769.9961
• Step-by-step instructions for solving Puzzle 51, (88/144)   Diff: 9/9.9999.7593
• Step-by-step instructions for solving Puzzle 52, (90/144)   Diff: 9/9.8667.7999
• Step-by-step instructions for solving Puzzle 53, (88/144)   Diff: 10/98.5837.9993
• Step-by-step instructions for solving Puzzle 54, (89/144)   Diff: 10/99.9999.8332
• Step-by-step instructions for solving Puzzle 55, (92/144)   Diff: 10/99.6799.9961
• Step-by-step instructions for solving Puzzle 56, (94/144)   Diff: 10/99.3669.9977
• Step-by-step instructions for solving Puzzle 57, (86/144)   Diff: 11/999.9824.5451
• Step-by-step instructions for solving Puzzle 58, (86/144)   Diff: 11/985.7999.7671
• Step-by-step instructions for solving Puzzle 59, (97/144)   Diff: 11/977.8899.9991
• Step-by-step instructions for solving Puzzle 60, (103/144)   Diff: 11/989.7999.9984