Challenging Sudoku-by5 Logic Puzzles (Vol 1)

Chapter 7: Sixteen Challenging (DiffLev 19) Sudoku-by5 Puzzles (numbers 65-80)

• Step-by-step instructions for solving Puzzle 65, (251/369)   Diff: 19/999.9999.9999.52A1.2586
• Step-by-step instructions for solving Puzzle 66, (252/369)   Diff: 19/999.9789.8546.9999.9995
• Step-by-step instructions for solving Puzzle 67, (253/369)   Diff: 19/999.9999.9974.A336.7792
• Step-by-step instructions for solving Puzzle 68, (256/369)   Diff: 19/999.9999.9999.9999.9673
• Step-by-step instructions for solving Puzzle 69, (256/369)   Diff: 19/999.9999.991B.4312.4347
• Step-by-step instructions for solving Puzzle 70, (257/369)   Diff: 19/999.9999.9999.9999.9991
• Step-by-step instructions for solving Puzzle 71, (257/369)   Diff: 19/999.9986.9889.9999.9994
• Step-by-step instructions for solving Puzzle 72, (258/369)   Diff: 19/999.9999.9999.96B3.5664
• Step-by-step instructions for solving Puzzle 73, (259/369)   Diff: 19/999.9999.9732.D999.8982
• Step-by-step instructions for solving Puzzle 74, (261/369)   Diff: 19/999.9999.9999.9976.4542
• Step-by-step instructions for solving Puzzle 75, (262/369)   Diff: 19/999.9999.9999.9989.8452
• Step-by-step instructions for solving Puzzle 76, (262/369)   Diff: 19/998.7999.8999.9999.9881
• Step-by-step instructions for solving Puzzle 77, (264/369)   Diff: 19/999.9898.9999.9999.9993
• Step-by-step instructions for solving Puzzle 78, (266/369)   Diff: 19/999.9999.9999.9998.5794
• Step-by-step instructions for solving Puzzle 79, (268/369)   Diff: 19/999.9999.9999.9799.9992
• Step-by-step instructions for solving Puzzle 80, (269/369)   Diff: 19/999.9999.9999.9999.9542