Variations on Sudoku-by5 Logic Puzzles (Vol 1) 
 Chapter 34: Three Challenging HyperSudoku-Xtreme Puzzles (numbers 94-96) 
 
-  Step-by-step instructions for solving  Puzzle 94, (273/369)   Diff: 16/9999.9999.9999.9651
 -  Step-by-step instructions for solving  Puzzle 95, (274/369)   Diff: 20/9977.9799.9999.9999.9844
 -  Step-by-step instructions for solving  Puzzle 96, (278/369)   Diff: 20/9989.9988.9999.9999.9341