Variations on Intermediate Sudoku Logic Puzzles (Vol 1)
Chapter 11: Eight Difficult Sudoku-7B Puzzles (numbers 49-56)
- Step-by-step instructions for solving Puzzle 49, (36/49) Diff: 9/3.4622.3853
- Step-by-step instructions for solving Puzzle 50, (37/49) Diff: 9/6.5222.3575
- Step-by-step instructions for solving Puzzle 51, (35/49) Diff: 10/51.1342.4681
- Step-by-step instructions for solving Puzzle 52, (38/49) Diff: 10/54.6542.3351
- Step-by-step instructions for solving Puzzle 53, (37/49) Diff: 11/633.3224.3344
- Step-by-step instructions for solving Puzzle 54, (35/49) Diff: 12/2312.2124.5661
- Step-by-step instructions for solving Puzzle 55, (36/49) Diff: 12/32A3.1333.7442
- Step-by-step instructions for solving Puzzle 56, (37/49) Diff: 12/3133.5234.5332