Easy Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 17: Two Easy (DiffLev 3-4) Ambidextrous Puzzles (numbers 113-114) 
 
-  Step-by-step instructions for solving  Puzzle 113, (52/144)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 114, (68/144)   Diff: 4/9995