Variations on Easy Sudoku-by5 Logic Puzzles (Vol 1) 
 Chapter 6: Eight Easy HyperSudoku-by5 Puzzles (numbers 25-32) 
 
-  Step-by-step instructions for solving  Puzzle 25, (127/369)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 26, (148/369)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 27, (162/369)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 28, (172/369)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 29, (129/369)   Diff: 4/9922
 -  Step-by-step instructions for solving  Puzzle 30, (167/369)   Diff: 4/9984
 -  Step-by-step instructions for solving  Puzzle 31, (175/369)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 32, (180/369)   Diff: 4/9991