Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 9: Six Tournament (DiffLev 22-25) tpsmith Puzzles (numbers 73-78) 
 
-  Step-by-step instructions for solving  Puzzle 73, (94/144)   Diff: 22/99.5635.5113.5621.2334.4551
 -  Step-by-step instructions for solving  Puzzle 74, (99/144)   Diff: 22/65.2142.22B1.1241.3667.9996
 -  Step-by-step instructions for solving  Puzzle 75, (100/144)   Diff: 23/545.4562.4442.4955.3123.3695
 -  Step-by-step instructions for solving  Puzzle 76, (101/144)   Diff: 24/7752.2255.7311.3535.3367.6643
 -  Step-by-step instructions for solving  Puzzle 77, (96/144)   Diff: 25/9.3233.2533.2445.4C26.7421.3654
 -  Step-by-step instructions for solving  Puzzle 78, (99/144)   Diff: 25/9.421B.2221.2444.3213.2376.4789