inp 2
mu 1 2 3
mu 2 1 4
mu 1 4 5
mu 3 5 6
pwr 2 2 7
mu 7 1 8
iv 2 9
mu 9 3 10
mu 8 10 11
mu 6 11 12
mu 1 7 13
mu 3 13 14
mu 9 1 15
mu 1 15 16
mu 2 3 17
mu 16 17 18
mu 14 18 19
mu 12 19 20
mu 13 16 21
mu 17 13 22
mu 21 22 23
mu 1 9 24
mu 24 5 25
mu 4 7 26
mu 26 24 27
mu 25 27 28
mu 23 28 29
mu 20 29 30
pwr 3 30 31
oup 1 31
