Tournament Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 14: Six Tournament (DiffLev 19-20) tpsmith-surprised Puzzles (numbers 103-108) 
 
-  Step-by-step instructions for solving  Puzzle 103, (95/144)   Diff: 19/874.3663.21B5.4678.9434
 -  Step-by-step instructions for solving  Puzzle 104, (97/144)   Diff: 19/976.5321.1223.4327.9993
 -  Step-by-step instructions for solving  Puzzle 105, (97/144)   Diff: 19/666.5342.C265.9566.7592
 -  Step-by-step instructions for solving  Puzzle 106, (100/144)   Diff: 19/995.4585.2122.3358.7796
 -  Step-by-step instructions for solving  Puzzle 107, (97/144)   Diff: 20/9645.3344.2111.C436.9987
 -  Step-by-step instructions for solving  Puzzle 108, (100/144)   Diff: 20/8774.7269.7862.AA24.5544