Difficult Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 9: Six Difficult (DiffLev 9-11) tpsmith Puzzles (numbers 73-78)
- Step-by-step instructions for solving Puzzle 73, (82/144) Diff: 9/9.9999.9631
- Step-by-step instructions for solving Puzzle 74, (88/144) Diff: 9/9.8979.9997
- Step-by-step instructions for solving Puzzle 75, (83/144) Diff: 10/99.5439.9995
- Step-by-step instructions for solving Puzzle 76, (86/144) Diff: 10/94.4346.7999
- Step-by-step instructions for solving Puzzle 77, (96/144) Diff: 10/98.9799.9865
- Step-by-step instructions for solving Puzzle 78, (93/144) Diff: 11/999.8989.7575