Difficult Sudoku Seven Logic Puzzles (Vol 1)

Chapter 16: Fourteen Difficult (DiffLev 11-12) Sudoku-7D Puzzles (numbers 177-190)

• Step-by-step instructions for solving Puzzle 177, (34/49)   Diff: 11/541.2432.2371
• Step-by-step instructions for solving Puzzle 178, (36/49)   Diff: 11/221.21A1.3993
• Step-by-step instructions for solving Puzzle 179, (38/49)   Diff: 11/422.3265.4532
• Step-by-step instructions for solving Puzzle 180, (38/49)   Diff: 11/234.8333.4332
• Step-by-step instructions for solving Puzzle 181, (39/49)   Diff: 11/31A.1343.5783
• Step-by-step instructions for solving Puzzle 182, (40/49)   Diff: 11/333.1146.4564
• Step-by-step instructions for solving Puzzle 183, (40/49)   Diff: 11/11B.2324.6793
• Step-by-step instructions for solving Puzzle 184, (36/49)   Diff: 12/21A1.3323.4682
• Step-by-step instructions for solving Puzzle 185, (37/49)   Diff: 12/2144.2452.2641
• Step-by-step instructions for solving Puzzle 186, (38/49)   Diff: 12/4452.1112.2376
• Step-by-step instructions for solving Puzzle 187, (38/49)   Diff: 12/2223.3811.4741
• Step-by-step instructions for solving Puzzle 188, (39/49)   Diff: 12/6432.2212.4346
• Step-by-step instructions for solving Puzzle 189, (39/49)   Diff: 12/4432.2114.5634
• Step-by-step instructions for solving Puzzle 190, (40/49)   Diff: 12/2111.1245.9572