Variations on Sudoku-by5 Logic Puzzles (Vol 1)

Chapter 33: Three Difficult HyperSudoku-Xtreme Puzzles (numbers 91-93)

• Step-by-step instructions for solving Puzzle 91, (253/369)   Diff: 10/99.9999.9991
• Step-by-step instructions for solving Puzzle 92, (256/369)   Diff: 14/99.9999.9983.6982
• Step-by-step instructions for solving Puzzle 93, (268/369)   Diff: 14/99.9999.9999.9993