Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 24: Two Tournament (DiffLev 26-29) Discoverably Puzzles (numbers 127-128) 
 
-  Step-by-step instructions for solving  Puzzle 127, (96/144)   Diff: 26/83.3233.2312.1256.7342.2346.3882
 -  Step-by-step instructions for solving  Puzzle 128, (102/144)   Diff: 29/2.6211.1112.4334.2321.1354.4649.9862