Original: Music Sudoku Six-Square, Set 1. This set of six-square puzzles includes three levels of difficulty--easy, medium-easy and medium.
Traducere: Muzica Sudoku Six-Square, Set 1. Geoffrey R. Lorenz. Început. Muzica Sudoku Six-Square, Set 1 compusă de Geoffrey R. Lorenz. Ușor. Jocuri.