Easy Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 20: Two Easy (DiffLev 4) Combustively Puzzles (numbers 119-120) 
 
-  Step-by-step instructions for solving  Puzzle 119, (65/144)   Diff: 4/9992
 -  Step-by-step instructions for solving  Puzzle 120, (71/144)   Diff: 4/9992