Medium Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 6: Fourteen Medium (DiffLev 7-8) Sudoku-7B Puzzles (numbers 43-56) 
 
-  Step-by-step instructions for solving  Puzzle 43, (30/49)   Diff: 7/434.6535
 -  Step-by-step instructions for solving  Puzzle 44, (34/49)   Diff: 7/763.4671
 -  Step-by-step instructions for solving  Puzzle 45, (32/49)   Diff: 8/7142.3447
 -  Step-by-step instructions for solving  Puzzle 46, (33/49)   Diff: 8/2554.3563
 -  Step-by-step instructions for solving  Puzzle 47, (34/49)   Diff: 8/9433.3443
 -  Step-by-step instructions for solving  Puzzle 48, (34/49)   Diff: 8/6344.5453
 -  Step-by-step instructions for solving  Puzzle 49, (34/49)   Diff: 8/5664.5332
 -  Step-by-step instructions for solving  Puzzle 50, (35/49)   Diff: 8/6452.3582
 -  Step-by-step instructions for solving  Puzzle 51, (36/49)   Diff: 8/7743.4632
 -  Step-by-step instructions for solving  Puzzle 52, (36/49)   Diff: 8/6544.3455
 -  Step-by-step instructions for solving  Puzzle 53, (36/49)   Diff: 8/5745.4434
 -  Step-by-step instructions for solving  Puzzle 54, (36/49)   Diff: 8/5675.3361
 -  Step-by-step instructions for solving  Puzzle 55, (36/49)   Diff: 8/3455.7561
 -  Step-by-step instructions for solving  Puzzle 56, (37/49)   Diff: 8/7641.6544