Challenging Sudoku Twelve Logic Puzzles (Vol 1) 
 Chapter 13: Six Challenging (DiffLev 15-17) tpsmith-surprised Puzzles (numbers 97-102) 
 
-  Step-by-step instructions for solving  Puzzle 97, (89/144)   Diff: 15/872.211C.6989.9973
 -  Step-by-step instructions for solving  Puzzle 98, (91/144)   Diff: 16/7445.4533.5478.7979
 -  Step-by-step instructions for solving  Puzzle 99, (94/144)   Diff: 16/9422.2214.4779.9991
 -  Step-by-step instructions for solving  Puzzle 100, (91/144)   Diff: 17/9.6223.11C4.7289.9941
 -  Step-by-step instructions for solving  Puzzle 101, (94/144)   Diff: 17/9.5453.1134.5566.9956
 -  Step-by-step instructions for solving  Puzzle 102, (97/144)   Diff: 17/7.5422.2D23.2986.8997