Medium Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 9: Fourteen Medium (DiffLev 5-6) Sudoku-7B-X Puzzles (numbers 83-96) 
 
-  Step-by-step instructions for solving  Puzzle 83, (30/49)   Diff: 5/9.8641
 -  Step-by-step instructions for solving  Puzzle 84, (32/49)   Diff: 5/6.6693
 -  Step-by-step instructions for solving  Puzzle 85, (33/49)   Diff: 5/8.9574
 -  Step-by-step instructions for solving  Puzzle 86, (35/49)   Diff: 5/9.9762
 -  Step-by-step instructions for solving  Puzzle 87, (36/49)   Diff: 5/5.5991
 -  Step-by-step instructions for solving  Puzzle 88, (32/49)   Diff: 6/86.7551
 -  Step-by-step instructions for solving  Puzzle 89, (33/49)   Diff: 6/76.6671
 -  Step-by-step instructions for solving  Puzzle 90, (35/49)   Diff: 6/86.7842
 -  Step-by-step instructions for solving  Puzzle 91, (36/49)   Diff: 6/87.6663
 -  Step-by-step instructions for solving  Puzzle 92, (36/49)   Diff: 6/33.5879
 -  Step-by-step instructions for solving  Puzzle 93, (37/49)   Diff: 6/67.6576
 -  Step-by-step instructions for solving  Puzzle 94, (37/49)   Diff: 6/45.4894
 -  Step-by-step instructions for solving  Puzzle 95, (37/49)   Diff: 6/37.8973
 -  Step-by-step instructions for solving  Puzzle 96, (38/49)   Diff: 6/48.4793