Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 43: Two Tournament (DiffLev 21-27) Projectingly Puzzles (numbers 165-166) 
 
-  Step-by-step instructions for solving  Puzzle 165, (89/144)   Diff: 21/8.6332.5212.1112.4777.9742
 -  Step-by-step instructions for solving  Puzzle 166, (101/144)   Diff: 27/833.2221.22A1.1333.2256.5565.8972