Easy Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 36: Two Easy (DiffLev 3-4) Musicography Puzzles (numbers 151-152)
- Step-by-step instructions for solving Puzzle 151, (50/144) Diff: 3/991
- Step-by-step instructions for solving Puzzle 152, (70/144) Diff: 4/9992