Difficult Sudoku Logic Puzzles (Vol 1)
Chapter 7: Thirty Difficult (DiffLev 13) Sudoku Puzzles (numbers 121-150)
- Step-by-step instructions for solving Puzzle 121, (50/81) Diff: 13/9.511A.2345.7642
- Step-by-step instructions for solving Puzzle 122, (51/81) Diff: 13/9.2211.2334.6792
- Step-by-step instructions for solving Puzzle 123, (52/81) Diff: 13/9.941A.1112.4784
- Step-by-step instructions for solving Puzzle 124, (52/81) Diff: 13/9.3583.3211.4634
- Step-by-step instructions for solving Puzzle 125, (52/81) Diff: 13/7.4764.2232.4452
- Step-by-step instructions for solving Puzzle 126, (52/81) Diff: 13/7.4354.4326.5351
- Step-by-step instructions for solving Puzzle 127, (52/81) Diff: 13/6.2232.4545.4843
- Step-by-step instructions for solving Puzzle 128, (52/81) Diff: 13/5.2221.1388.7544
- Step-by-step instructions for solving Puzzle 129, (53/81) Diff: 13/9.5254.4234.5442
- Step-by-step instructions for solving Puzzle 130, (53/81) Diff: 13/8.4642.1232.4584
- Step-by-step instructions for solving Puzzle 131, (53/81) Diff: 13/7.5333.1A28.6662
- Step-by-step instructions for solving Puzzle 132, (53/81) Diff: 13/5.6442.2227.8722
- Step-by-step instructions for solving Puzzle 133, (53/81) Diff: 13/5.4347.6444.2244
- Step-by-step instructions for solving Puzzle 134, (54/81) Diff: 13/9.4311.B355.6653
- Step-by-step instructions for solving Puzzle 135, (54/81) Diff: 13/7.2147.4123.4874
- Step-by-step instructions for solving Puzzle 136, (54/81) Diff: 13/6.5574.1242.2466
- Step-by-step instructions for solving Puzzle 137, (54/81) Diff: 13/6.2354.5544.5452
- Step-by-step instructions for solving Puzzle 138, (54/81) Diff: 13/5.2223.4247.9553
- Step-by-step instructions for solving Puzzle 139, (55/81) Diff: 13/7.7654.1122.3872
- Step-by-step instructions for solving Puzzle 140, (55/81) Diff: 13/6.6544.2128.6641
- Step-by-step instructions for solving Puzzle 141, (55/81) Diff: 13/6.3332.3123.5994
- Step-by-step instructions for solving Puzzle 142, (55/81) Diff: 13/3.2B32.4458.6763
- Step-by-step instructions for solving Puzzle 143, (56/81) Diff: 13/6.2222.3567.6555
- Step-by-step instructions for solving Puzzle 144, (56/81) Diff: 13/5.2253.6954.2355
- Step-by-step instructions for solving Puzzle 145, (56/81) Diff: 13/4.4363.3453.4584
- Step-by-step instructions for solving Puzzle 146, (57/81) Diff: 13/8.7633.1114.5684
- Step-by-step instructions for solving Puzzle 147, (57/81) Diff: 13/7.2354.4554.4653
- Step-by-step instructions for solving Puzzle 148, (57/81) Diff: 13/6.5533.2236.7753
- Step-by-step instructions for solving Puzzle 149, (57/81) Diff: 13/6.4212.5569.5642
- Step-by-step instructions for solving Puzzle 150, (58/81) Diff: 13/5.3442.2364.4669