Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 36: Two Challenging (DiffLev 15-18) Musicography Puzzles (numbers 151-152)
- Step-by-step instructions for solving Puzzle 151, (90/144) Diff: 15/695.4343.7682.5992
- Step-by-step instructions for solving Puzzle 152, (87/144) Diff: 18/96.3323.231A.3125.6999