Medium Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 35: Two Medium (DiffLev 5-8) Multipronged Puzzles (numbers 149-150) 
 
-  Step-by-step instructions for solving  Puzzle 149, (71/144)   Diff: 5/9.9963
 -  Step-by-step instructions for solving  Puzzle 150, (92/144)   Diff: 8/9989.9994