Easy Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 8: Twelve Easy (DiffLev 4) Sudoku-7B-2V Puzzles (numbers 71-82) 
 
-  Step-by-step instructions for solving  Puzzle 71, (28/49)   Diff: 4/9653
 -  Step-by-step instructions for solving  Puzzle 72, (29/49)   Diff: 4/9881
 -  Step-by-step instructions for solving  Puzzle 73, (30/49)   Diff: 4/9962
 -  Step-by-step instructions for solving  Puzzle 74, (30/49)   Diff: 4/9942
 -  Step-by-step instructions for solving  Puzzle 75, (31/49)   Diff: 4/9975
 -  Step-by-step instructions for solving  Puzzle 76, (31/49)   Diff: 4/8991
 -  Step-by-step instructions for solving  Puzzle 77, (31/49)   Diff: 4/8984
 -  Step-by-step instructions for solving  Puzzle 78, (32/49)   Diff: 4/9942
 -  Step-by-step instructions for solving  Puzzle 79, (33/49)   Diff: 4/9973
 -  Step-by-step instructions for solving  Puzzle 80, (33/49)   Diff: 4/9964
 -  Step-by-step instructions for solving  Puzzle 81, (33/49)   Diff: 4/9893
 -  Step-by-step instructions for solving  Puzzle 82, (34/49)   Diff: 4/9994