Variations on Easy Sudoku-by5 Logic Puzzles (Vol 1) 
 Chapter 7: Eight Easy HyperSudoku-Xtreme Puzzles (numbers 33-40) 
 
-  Step-by-step instructions for solving  Puzzle 33, (119/369)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 34, (160/369)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 35, (160/369)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 36, (148/369)   Diff: 4/9961
 -  Step-by-step instructions for solving  Puzzle 37, (172/369)   Diff: 4/9982
 -  Step-by-step instructions for solving  Puzzle 38, (176/369)   Diff: 4/9961
 -  Step-by-step instructions for solving  Puzzle 39, (190/369)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 40, (201/369)   Diff: 4/9991