Variations on Sudoku Logic Puzzles (Vol 1)

Chapter 25: Twelve Difficult HyperEducation Puzzles (numbers 301-312)

• Step-by-step instructions for solving Puzzle 301, (50/81)   Diff: 9/7.2679.7542
• Step-by-step instructions for solving Puzzle 302, (56/81)   Diff: 9/6.6676.5992
• Step-by-step instructions for solving Puzzle 303, (53/81)   Diff: 10/87.9543.3581
• Step-by-step instructions for solving Puzzle 304, (55/81)   Diff: 11/622.2594.6962
• Step-by-step instructions for solving Puzzle 305, (52/81)   Diff: 12/9443.3533.3445
• Step-by-step instructions for solving Puzzle 306, (56/81)   Diff: 12/8523.3235.7981
• Step-by-step instructions for solving Puzzle 307, (56/81)   Diff: 13/8.4211.6448.7551
• Step-by-step instructions for solving Puzzle 308, (49/81)   Diff: 14/91.2121.11B8.9641
• Step-by-step instructions for solving Puzzle 309, (55/81)   Diff: 14/92.3532.1582.3453
• Step-by-step instructions for solving Puzzle 310, (55/81)   Diff: 14/76.5421.2565.1344
• Step-by-step instructions for solving Puzzle 311, (55/81)   Diff: 14/72.2333.2438.8163
• Step-by-step instructions for solving Puzzle 312, (57/81)   Diff: 14/41.1114.4553.6992