Medium Sudoku Five Logic Puzzles (Vol 1) 
 Chapter 5: Twelve Medium (DiffLev 7) Sudoku-5 Puzzles (numbers 25-36) 
 
-  Step-by-step instructions for solving  Puzzle 25, (18/25)   Diff: 7/322.1343
 -  Step-by-step instructions for solving  Puzzle 26, (19/25)   Diff: 7/232.2253
 -  Step-by-step instructions for solving  Puzzle 27, (19/25)   Diff: 7/1A2.2472
 -  Step-by-step instructions for solving  Puzzle 28, (20/25)   Diff: 7/333.4322
 -  Step-by-step instructions for solving  Puzzle 29, (20/25)   Diff: 7/232.3442
 -  Step-by-step instructions for solving  Puzzle 30, (20/25)   Diff: 7/232.2362
 -  Step-by-step instructions for solving  Puzzle 31, (20/25)   Diff: 7/224.4332
 -  Step-by-step instructions for solving  Puzzle 32, (20/25)   Diff: 7/224.2451
 -  Step-by-step instructions for solving  Puzzle 33, (20/25)   Diff: 7/223.4234
 -  Step-by-step instructions for solving  Puzzle 34, (20/25)   Diff: 7/222.2453
 -  Step-by-step instructions for solving  Puzzle 35, (20/25)   Diff: 7/121.3355
 -  Step-by-step instructions for solving  Puzzle 36, (21/25)   Diff: 7/225.3441