Variations on Intermediate Sudoku Logic Puzzles (Vol 1)

Chapter 26: Eight Difficult Sudoku-7C Puzzles (numbers 137-144)

• Step-by-step instructions for solving Puzzle 137, (36/49)   Diff: 9/7.4641.2246
• Step-by-step instructions for solving Puzzle 138, (37/49)   Diff: 9/3.3465.4345
• Step-by-step instructions for solving Puzzle 139, (37/49)   Diff: 9/2.4654.4561
• Step-by-step instructions for solving Puzzle 140, (39/49)   Diff: 10/32.2336.5582
• Step-by-step instructions for solving Puzzle 141, (36/49)   Diff: 11/52A.2224.4554
• Step-by-step instructions for solving Puzzle 142, (36/49)   Diff: 11/332.AA14.6474
• Step-by-step instructions for solving Puzzle 143, (39/49)   Diff: 11/433.3243.3563
• Step-by-step instructions for solving Puzzle 144, (38/49)   Diff: 12/3234.3411.3563