Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 23: Two Tournament (DiffLev 21-27) Demonstrably Puzzles (numbers 125-126) 
 
-  Step-by-step instructions for solving  Puzzle 125, (93/144)   Diff: 21/9.5B33.11AA.3213.2569.9893
 -  Step-by-step instructions for solving  Puzzle 126, (97/144)   Diff: 27/645.3223.1A12.A1A2.3333.3477.7971