Easy Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 12: Fourteen Easy (DiffLev 4) Sudoku-7C Puzzles (numbers 123-136) 
 
-  Step-by-step instructions for solving  Puzzle 123, (25/49)   Diff: 4/7594
 -  Step-by-step instructions for solving  Puzzle 124, (26/49)   Diff: 4/9843
 -  Step-by-step instructions for solving  Puzzle 125, (27/49)   Diff: 4/9791
 -  Step-by-step instructions for solving  Puzzle 126, (27/49)   Diff: 4/8865
 -  Step-by-step instructions for solving  Puzzle 127, (28/49)   Diff: 4/9941
 -  Step-by-step instructions for solving  Puzzle 128, (29/49)   Diff: 4/9974
 -  Step-by-step instructions for solving  Puzzle 129, (29/49)   Diff: 4/9944
 -  Step-by-step instructions for solving  Puzzle 130, (29/49)   Diff: 4/9873
 -  Step-by-step instructions for solving  Puzzle 131, (30/49)   Diff: 4/9983
 -  Step-by-step instructions for solving  Puzzle 132, (30/49)   Diff: 4/9982
 -  Step-by-step instructions for solving  Puzzle 133, (30/49)   Diff: 4/8981
 -  Step-by-step instructions for solving  Puzzle 134, (32/49)   Diff: 4/9895
 -  Step-by-step instructions for solving  Puzzle 135, (33/49)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 136, (33/49)   Diff: 4/9983