Medium Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 37: Two Medium (DiffLev 7-8) Outfieldsman Puzzles (numbers 153-154) 
 
-  Step-by-step instructions for solving  Puzzle 153, (80/144)   Diff: 7/999.9842
 -  Step-by-step instructions for solving  Puzzle 154, (80/144)   Diff: 8/9966.6992