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 4 11
mu 3 11 12

mu 5 10 9
pwr 3 9 8

mu 3 6 5
pwr 7 5 6
pwr 12 7 9
mu 6 9 7
iv 7 6

mu 6 8 9
mu 9 7 1

pwr 6 12 13
mu 11 3 10
mu 13 10 9
iv 9 13

mu 13 8 7
mu 7 9 2

