Easy Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 14: Twelve Easy (DiffLev 4) Sudoku-7C-2V Puzzles (numbers 151-162) 
 
-  Step-by-step instructions for solving  Puzzle 151, (27/49)   Diff: 4/9672
 -  Step-by-step instructions for solving  Puzzle 152, (30/49)   Diff: 4/8795
 -  Step-by-step instructions for solving  Puzzle 153, (31/49)   Diff: 4/9992
 -  Step-by-step instructions for solving  Puzzle 154, (31/49)   Diff: 4/9971
 -  Step-by-step instructions for solving  Puzzle 155, (32/49)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 156, (32/49)   Diff: 4/9682
 -  Step-by-step instructions for solving  Puzzle 157, (33/49)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 158, (33/49)   Diff: 4/7977
 -  Step-by-step instructions for solving  Puzzle 159, (34/49)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 160, (34/49)   Diff: 4/9991
 -  Step-by-step instructions for solving  Puzzle 161, (34/49)   Diff: 4/6994
 -  Step-by-step instructions for solving  Puzzle 162, (35/49)   Diff: 4/7993