Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 4: Twelve Medium (DiffLev 7-8) Sudoku-12 Puzzles (numbers 13-24)
- Step-by-step instructions for solving Puzzle 13, (81/144) Diff: 7/999.9994
- Step-by-step instructions for solving Puzzle 14, (81/144) Diff: 7/999.9862
- Step-by-step instructions for solving Puzzle 15, (83/144) Diff: 7/997.9999
- Step-by-step instructions for solving Puzzle 16, (84/144) Diff: 7/999.9991
- Step-by-step instructions for solving Puzzle 17, (75/144) Diff: 8/9999.8932
- Step-by-step instructions for solving Puzzle 18, (77/144) Diff: 8/9689.9993
- Step-by-step instructions for solving Puzzle 19, (82/144) Diff: 8/9999.9993
- Step-by-step instructions for solving Puzzle 20, (82/144) Diff: 8/9999.9972
- Step-by-step instructions for solving Puzzle 21, (83/144) Diff: 8/9999.9942
- Step-by-step instructions for solving Puzzle 22, (83/144) Diff: 8/4999.9991
- Step-by-step instructions for solving Puzzle 23, (84/144) Diff: 8/9989.9995
- Step-by-step instructions for solving Puzzle 24, (85/144) Diff: 8/9699.9983