Difficult Sudoku Seven Logic Puzzles (Vol 1)
Chapter 5: Fourteen Difficult (DiffLev 9-10) Sudoku-7B Puzzles (numbers 29-42)
- Step-by-step instructions for solving Puzzle 29, (35/49) Diff: 9/4.3243.6472
- Step-by-step instructions for solving Puzzle 30, (37/49) Diff: 9/7.3222.3585
- Step-by-step instructions for solving Puzzle 31, (37/49) Diff: 9/5.3336.6632
- Step-by-step instructions for solving Puzzle 32, (34/49) Diff: 10/42.A124.6572
- Step-by-step instructions for solving Puzzle 33, (35/49) Diff: 10/55.4211.5651
- Step-by-step instructions for solving Puzzle 34, (35/49) Diff: 10/53.1321.3971
- Step-by-step instructions for solving Puzzle 35, (35/49) Diff: 10/32.1256.3553
- Step-by-step instructions for solving Puzzle 36, (35/49) Diff: 10/11.1135.7457
- Step-by-step instructions for solving Puzzle 37, (36/49) Diff: 10/45.4434.4332
- Step-by-step instructions for solving Puzzle 38, (36/49) Diff: 10/12.1123.7784
- Step-by-step instructions for solving Puzzle 39, (37/49) Diff: 10/57.7211.3542
- Step-by-step instructions for solving Puzzle 40, (37/49) Diff: 10/47.7212.1562
- Step-by-step instructions for solving Puzzle 41, (37/49) Diff: 10/41.2224.5854
- Step-by-step instructions for solving Puzzle 42, (38/49) Diff: 10/56.4224.3543