Variations on Intermediate Sudoku Logic Puzzles (Vol 1) 
 Chapter 63: Four Easiest SuperSudoku-8 Puzzles (numbers 373-376) 
 
-  Step-by-step instructions for solving  Puzzle 373, (22/64)   Diff: 2/96
 -  Step-by-step instructions for solving  Puzzle 374, (22/64)   Diff: 2/94
 -  Step-by-step instructions for solving  Puzzle 375, (22/64)   Diff: 2/93
 -  Step-by-step instructions for solving  Puzzle 376, (22/64)   Diff: 2/93