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