Easy Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 7: Twelve Easy (DiffLev 3) HyperSudoku-12 Puzzles (numbers 49-60) 
 
-  Step-by-step instructions for solving  Puzzle 49, (48/144)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 50, (52/144)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 51, (53/144)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 52, (54/144)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 53, (54/144)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 54, (56/144)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 55, (56/144)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 56, (59/144)   Diff: 3/993
 -  Step-by-step instructions for solving  Puzzle 57, (61/144)   Diff: 3/993
 -  Step-by-step instructions for solving  Puzzle 58, (62/144)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 59, (66/144)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 60, (67/144)   Diff: 3/992