Variations on Intermediate Sudoku Logic Puzzles (Vol 1) 
 Chapter 50: Eight Medium HyperSudoku-8 Puzzles (numbers 285-292) 
 
-  Step-by-step instructions for solving  Puzzle 285, (36/64)   Diff: 5/9.6782
 -  Step-by-step instructions for solving  Puzzle 286, (41/64)   Diff: 5/9.9992
 -  Step-by-step instructions for solving  Puzzle 287, (43/64)   Diff: 6/78.9891
 -  Step-by-step instructions for solving  Puzzle 288, (43/64)   Diff: 6/69.9854
 -  Step-by-step instructions for solving  Puzzle 289, (45/64)   Diff: 7/658.8952
 -  Step-by-step instructions for solving  Puzzle 290, (42/64)   Diff: 8/3136.6991
 -  Step-by-step instructions for solving  Puzzle 291, (43/64)   Diff: 8/8774.2375
 -  Step-by-step instructions for solving  Puzzle 292, (44/64)   Diff: 8/9676.5632