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 3 9 10
mu 10 8 2
pwr 14 2 3
mu 6 7 8
pwr 17 8 9
iv 1 4
mu 4 9 8
mu 8 1 4
mu 4 3 5
mu 5 3 6
mu 6 6 7
mu 7 5 8
iv 3 7
mu 7 4 6
mu 6 3 7
mu 5 5 6
mu 7 6 5
iv 5 4
mu 4 8 6
mu 6 5 4
iv 4 5
mu 5 3 6
mu 6 4 5
mu 5 5 6
mu 3 6 7
mu 4 7 8
mu 8 7 4
iv 4 5
mu 5 3 6
mu 6 4 5
mu 5 5 6
mu 3 6 7
mu 4 7 8
mu 8 7 1