mu 1 2 3
mu 3 2 4
mu 4 2 5
mu 4 1 6
mu 2 2 7
mu 5 3 8
pwr 5 8 9
mu 7 4 10
iv 10 11
mu 11 9 12
mu 12 10 13
mu 9 13 11
pwr 5 11 12
mu 10 12 14
mu 4 3 10
mu 10 4 11
iv 11 10
mu 10 9 12
mu 12 11 10
mu 9 10 11
pwr 15 11 10
mu 8 10 15
pwr 5 14 10
pwr 4 15 11
mu 10 11 1
pwr 11 14 10
pwr 3 15 11
mu 10 11 12
mu 12 12 16
iv 6 11
mu 11 16 12
mu 12 6 11
mu 16 11 12
pwr 12 12 11
mu 6 11 17
iv 3 10
mu 10 16 11
mu 11 3 12
mu 16 12 11
pwr 7 11 12
mu 3 12 11
mu 17 11 18
mu 7 4 10
iv 10 11
mu 11 16 12
mu 12 10 11
mu 16 11 12
pwr 15 12 19
pwr 3 18 10
mu 19 10 11
mu 11 11 10
mu 10 18 2
