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