Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 44: Two Tournament (DiffLev 24-27) Recognizably Puzzles (numbers 167-168) 
 
-  Step-by-step instructions for solving  Puzzle 167, (95/144)   Diff: 24/5553.34A1.A21A.1221.1136.9993
 -  Step-by-step instructions for solving  Puzzle 168, (94/144)   Diff: 27/962.1111.11B1.1122.1111.1379.9972