mu 1 2 3 mu 3 2 4 mu 3 4 5 mu 3 5 6 mu 6 3 7 mu 7 4 8 mu 3 8 9 mu 9 4 10 mu 10 10 11 mu 11 11 9 mu 10 11 8 mu 9 8 1 mu 3 3 10 mu 5 5 11 mu 11 11 8 mu 10 8 9 mu 6 6 10 mu 10 10 11 mu 10 11 6 iv 9 8 mu 8 6 10 mu 10 9 2