Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 33: Two Tournament (DiffLev 27-29) Incomputable Puzzles (numbers 145-146) 
 
-  Step-by-step instructions for solving  Puzzle 145, (99/144)   Diff: 27/442.4347.5322.2111.23A2.6634.6974
 -  Step-by-step instructions for solving  Puzzle 146, (99/144)   Diff: 29/1.A112.4344.3233.5234.2445.6643.5545