Difficult Sudoku Eight Logic Puzzles (Vol 1) 
 Chapter 10: Sixteen Difficult (DiffLev 11-12) Sudoku-8up Puzzles (numbers 111-126) 
 
-  Step-by-step instructions for solving  Puzzle 111, (42/64)   Diff: 11/531.2442.3468
 -  Step-by-step instructions for solving  Puzzle 112, (42/64)   Diff: 11/521.1558.6441
 -  Step-by-step instructions for solving  Puzzle 113, (44/64)   Diff: 11/743.2358.B244
 -  Step-by-step instructions for solving  Puzzle 114, (44/64)   Diff: 11/632.4345.3662
 -  Step-by-step instructions for solving  Puzzle 115, (45/64)   Diff: 11/554.3233.3665
 -  Step-by-step instructions for solving  Puzzle 116, (39/64)   Diff: 12/6233.1144.2346
 -  Step-by-step instructions for solving  Puzzle 117, (42/64)   Diff: 12/5544.2224.3443
 -  Step-by-step instructions for solving  Puzzle 118, (43/64)   Diff: 12/5465.1A24.3543
 -  Step-by-step instructions for solving  Puzzle 119, (44/64)   Diff: 12/7562.21B3.4561
 -  Step-by-step instructions for solving  Puzzle 120, (44/64)   Diff: 12/5434.6352.2442
 -  Step-by-step instructions for solving  Puzzle 121, (44/64)   Diff: 12/4566.3311.2346
 -  Step-by-step instructions for solving  Puzzle 122, (44/64)   Diff: 12/3435.5523.3443
 -  Step-by-step instructions for solving  Puzzle 123, (45/64)   Diff: 12/5454.5432.B362
 -  Step-by-step instructions for solving  Puzzle 124, (45/64)   Diff: 12/5324.7542.3442
 -  Step-by-step instructions for solving  Puzzle 125, (45/64)   Diff: 12/4113.4344.5844
 -  Step-by-step instructions for solving  Puzzle 126, (45/64)   Diff: 12/2122.5444.4854