Variations on Intermediate Sudoku Logic Puzzles (Vol 1) 
 Chapter 17: Eight Challenging Sudoku-7B-2V Puzzles (numbers 85-92) 
 
-  Step-by-step instructions for solving  Puzzle 85, (37/49)   Diff: 13/2.2211.1111.4696
 -  Step-by-step instructions for solving  Puzzle 86, (39/49)   Diff: 13/1.33A1.2112.4693
 -  Step-by-step instructions for solving  Puzzle 87, (40/49)   Diff: 13/3.3511.3123.2394
 -  Step-by-step instructions for solving  Puzzle 88, (40/49)   Diff: 13/2.1222.2543.3662
 -  Step-by-step instructions for solving  Puzzle 89, (40/49)   Diff: 13/1.11AA.B226.7592
 -  Step-by-step instructions for solving  Puzzle 90, (38/49)   Diff: 14/21.352A.1311.3375
 -  Step-by-step instructions for solving  Puzzle 91, (38/49)   Diff: 14/12.2434.1142.3335
 -  Step-by-step instructions for solving  Puzzle 92, (39/49)   Diff: 14/23.3221.1122.5681