Original: Music Sudoku Six-Square, Set 1. This set of six-square puzzles includes three levels of difficulty--easy, medium-easy and medium.
Oversettelse: Musikk Sudoku Six-plassen, Set 1. Geoffrey R. Lorenz. Begynnelsen. Musikk Sudoku Six-plassen, Set 1 komponert av Geoffrey R. Lorenz. Enkel.