Variations on Intermediate Sudoku Logic Puzzles (Vol 1)

Chapter 31: Eight Difficult Sudoku-7C-2V Puzzles (numbers 165-172)

• Step-by-step instructions for solving Puzzle 165, (38/49)   Diff: 10/54.3232.3466
• Step-by-step instructions for solving Puzzle 166, (41/49)   Diff: 10/64.5334.5443
• Step-by-step instructions for solving Puzzle 167, (39/49)   Diff: 11/3AA.1112.4892
• Step-by-step instructions for solving Puzzle 168, (38/49)   Diff: 12/3AAA.A244.4971
• Step-by-step instructions for solving Puzzle 169, (40/49)   Diff: 12/2422.2132.2595
• Step-by-step instructions for solving Puzzle 170, (40/49)   Diff: 12/2234.2342.2466
• Step-by-step instructions for solving Puzzle 171, (42/49)   Diff: 12/111A.A114.4899
• Step-by-step instructions for solving Puzzle 172, (43/49)   Diff: 12/4333.2313.7662