Difficult Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 6: Twelve Difficult (DiffLev 12-14) Sudoku-12up Puzzles (numbers 37-48)
- Step-by-step instructions for solving Puzzle 37, (88/144) Diff: 12/9999.4636.8951
- Step-by-step instructions for solving Puzzle 38, (90/144) Diff: 12/5534.6799.9996
- Step-by-step instructions for solving Puzzle 39, (84/144) Diff: 13/9.9884.2323.4399
- Step-by-step instructions for solving Puzzle 40, (84/144) Diff: 13/9.9212.3755.9993
- Step-by-step instructions for solving Puzzle 41, (81/144) Diff: 14/97.6556.8636.3465
- Step-by-step instructions for solving Puzzle 42, (81/144) Diff: 14/96.4236.5599.8542
- Step-by-step instructions for solving Puzzle 43, (85/144) Diff: 14/97.6455.8687.6552
- Step-by-step instructions for solving Puzzle 44, (85/144) Diff: 14/79.5326.5388.6498
- Step-by-step instructions for solving Puzzle 45, (88/144) Diff: 14/99.8545.6455.8872
- Step-by-step instructions for solving Puzzle 46, (91/144) Diff: 14/96.8776.8664.5862
- Step-by-step instructions for solving Puzzle 47, (92/144) Diff: 14/97.5524.5779.9944
- Step-by-step instructions for solving Puzzle 48, (94/144) Diff: 14/97.8454.8733.7994