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