Difficult Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 11: Six Difficult (DiffLev 9-11) tpsmith-silly Puzzles (numbers 85-90)
- Step-by-step instructions for solving Puzzle 85, (87/144) Diff: 9/9.9889.9892
- Step-by-step instructions for solving Puzzle 86, (90/144) Diff: 10/97.5889.9993
- Step-by-step instructions for solving Puzzle 87, (88/144) Diff: 11/999.9922.1458
- Step-by-step instructions for solving Puzzle 88, (93/144) Diff: 11/989.8598.9941
- Step-by-step instructions for solving Puzzle 89, (96/144) Diff: 11/987.8999.9982
- Step-by-step instructions for solving Puzzle 90, (96/144) Diff: 11/742.7799.9991