Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 6: Twelve Challenging (DiffLev 19-20) Sudoku-12up Puzzles (numbers 37-48)
- Step-by-step instructions for solving Puzzle 37, (87/144) Diff: 19/844.4441.1BA1.2456.9974
- Step-by-step instructions for solving Puzzle 38, (87/144) Diff: 19/653.3232.4434.5579.8734
- Step-by-step instructions for solving Puzzle 39, (90/144) Diff: 19/952.213C.2246.6667.7693
- Step-by-step instructions for solving Puzzle 40, (92/144) Diff: 19/811.3752.5872.4535.9922
- Step-by-step instructions for solving Puzzle 41, (84/144) Diff: 20/9634.3113.3434.5567.6442
- Step-by-step instructions for solving Puzzle 42, (86/144) Diff: 20/9944.621C.35A1.2476.6561
- Step-by-step instructions for solving Puzzle 43, (88/144) Diff: 20/9456.4224.3693.3431.2554
- Step-by-step instructions for solving Puzzle 44, (92/144) Diff: 20/7512.5454.5997.3323.6533
- Step-by-step instructions for solving Puzzle 45, (93/144) Diff: 20/7321.1233.6553.5953.8993
- Step-by-step instructions for solving Puzzle 46, (94/144) Diff: 20/9634.8523.4311.C235.9993
- Step-by-step instructions for solving Puzzle 47, (95/144) Diff: 20/7142.1343.3657.5448.9972
- Step-by-step instructions for solving Puzzle 48, (95/144) Diff: 20/644D.3361.2456.9756.4571