Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 34: Two Tournament (DiffLev 26-29) Metalworking Puzzles (numbers 147-148) 
 
-  Step-by-step instructions for solving  Puzzle 147, (95/144)   Diff: 26/72.212B.5622.2314.4532.2454.6892
 -  Step-by-step instructions for solving  Puzzle 148, (97/144)   Diff: 29/5.1243.3242.2363.4223.3114.3494.4343