mu 1 2 3
mu 3 2 4
mu 4 2 5
mu 5 2 6
mu 6 2 7
mu 7 2 8
mu 8 8 9
mu 9 3 10
mu 7 4 11
mu 11 5 12
iv 12 13
mu 13 10 9
mu 9 12 14
mu 14 1 9
mu 14 14 15
mu 15 15 16
mu 16 9 10
mu 14 9 11
mu 10 11 12
mu 12 9 11
pwr 13 11 17
mu 1 14 9
pwr 4 9 10
iv 16 11
mu 11 10 9
mu 9 16 18
mu 18 17 19
pwr 13 19 20
pwr 2 18 21
mu 21 19 9
pwr 12 9 22
mu 18 9 10
pwr 4 10 23
mu 21 17 9
mu 9 18 10
pwr 12 10 24
mu 7 8 9
mu 4 9 10
mu 10 3 11
mu 11 9 10
iv 10 9
mu 9 1 11
mu 11 10 25
mu 20 22 9
mu 9 23 1
mu 24 25 2