Medium Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 5: Fourteen Medium (DiffLev 5-6) Sudoku-7B Puzzles (numbers 29-42) 
 
-  Step-by-step instructions for solving  Puzzle 29, (30/49)   Diff: 5/9.8571
 -  Step-by-step instructions for solving  Puzzle 30, (31/49)   Diff: 5/9.9562
 -  Step-by-step instructions for solving  Puzzle 31, (31/49)   Diff: 5/9.5791
 -  Step-by-step instructions for solving  Puzzle 32, (31/49)   Diff: 5/6.9833
 -  Step-by-step instructions for solving  Puzzle 33, (31/49)   Diff: 5/3.6892
 -  Step-by-step instructions for solving  Puzzle 34, (33/49)   Diff: 5/9.7581
 -  Step-by-step instructions for solving  Puzzle 35, (26/49)   Diff: 6/73.2473
 -  Step-by-step instructions for solving  Puzzle 36, (29/49)   Diff: 6/32.5991
 -  Step-by-step instructions for solving  Puzzle 37, (31/49)   Diff: 6/52.5791
 -  Step-by-step instructions for solving  Puzzle 38, (32/49)   Diff: 6/94.3761
 -  Step-by-step instructions for solving  Puzzle 39, (32/49)   Diff: 6/76.8551
 -  Step-by-step instructions for solving  Puzzle 40, (33/49)   Diff: 6/98.5353
 -  Step-by-step instructions for solving  Puzzle 41, (34/49)   Diff: 6/76.7554
 -  Step-by-step instructions for solving  Puzzle 42, (34/49)   Diff: 6/55.7764