Tournament Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 47: Two Tournament (DiffLev 28-29) Supernotably Puzzles (numbers 173-174)
- Step-by-step instructions for solving Puzzle 173, (89/144) Diff: 28/8A12.1222.222A.3234.3112.4794.4643
- Step-by-step instructions for solving Puzzle 174, (97/144) Diff: 29/7.7313.5453.2112.3123.3311.3344.6691