Variations on Intermediate Sudoku Logic Puzzles (Vol 1)

Chapter 16: Eight Difficult Sudoku-7B-2V Puzzles (numbers 77-84)

• Step-by-step instructions for solving Puzzle 77, (40/49)   Diff: 9/6.4347.5461
• Step-by-step instructions for solving Puzzle 78, (36/49)   Diff: 10/37.3214.5542
• Step-by-step instructions for solving Puzzle 79, (39/49)   Diff: 10/36.3422.3358
• Step-by-step instructions for solving Puzzle 80, (39/49)   Diff: 10/24.5461.5543
• Step-by-step instructions for solving Puzzle 81, (37/49)   Diff: 11/6A1.4552.2443
• Step-by-step instructions for solving Puzzle 82, (39/49)   Diff: 11/421.1124.5577
• Step-by-step instructions for solving Puzzle 83, (37/49)   Diff: 12/4233.3222.2455
• Step-by-step instructions for solving Puzzle 84, (41/49)   Diff: 12/5325.4443.3251