Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 22: Two Tournament (DiffLev 22-29) Considerably Puzzles (numbers 123-124) 
 
-  Step-by-step instructions for solving  Puzzle 123, (91/144)   Diff: 22/96.5432.31A1.3214.4347.8883
 -  Step-by-step instructions for solving  Puzzle 124, (99/144)   Diff: 29/7.5311.B31B.3145.31AA.2311.1469.9762