Variations on Advanced Sudoku Logic Puzzles (Vol 1)

Chapter 54: Four Challenging HyperSudoku-16 Puzzles (numbers 181-184)

• Step-by-step instructions for solving Puzzle 181, (140/256)   Diff: 16/9979.12D2.4479.9992
• Step-by-step instructions for solving Puzzle 182, (150/256)   Diff: 18/97.5634.4758.6466.9999
• Step-by-step instructions for solving Puzzle 183, (152/256)   Diff: 18/96.9884.6977.6799.9982
• Step-by-step instructions for solving Puzzle 184, (154/256)   Diff: 19/964.5465.6559.7979.9991