Variations on Intermediate Sudoku Logic Puzzles (Vol 1) 
 Chapter 61: Eight Difficult HyperSudoku-8up Puzzles (numbers 357-364) 
 
-  Step-by-step instructions for solving  Puzzle 357, (41/64)   Diff: 10/52.3235.7941
 -  Step-by-step instructions for solving  Puzzle 358, (42/64)   Diff: 10/81.2314.7682
 -  Step-by-step instructions for solving  Puzzle 359, (44/64)   Diff: 10/63.1244.6953
 -  Step-by-step instructions for solving  Puzzle 360, (45/64)   Diff: 11/743.2434.6561
 -  Step-by-step instructions for solving  Puzzle 361, (42/64)   Diff: 12/8222.2133.6643
 -  Step-by-step instructions for solving  Puzzle 362, (43/64)   Diff: 12/3332.2463.4652
 -  Step-by-step instructions for solving  Puzzle 363, (47/64)   Diff: 12/9421.1B44.5672
 -  Step-by-step instructions for solving  Puzzle 364, (48/64)   Diff: 12/5422.3327.6563