1 array 8 8

2 anext 8 8 1 1

3 var 8
4 read 8 1 3
5 slice 4 -4 7 4
6 slice 4 4 3 0
7 mul 4 5 6
8 var 4
9 concat 8 -7 -8
10 var 3
11 sll 8 9 10 
12 constd 8 3
13 udiv 8 11 12 
14 srl 8 13 10 
15 urem 8 14 12 
16 var 1
17 cond 8 -16 -15 -3
18 redand 1 17
19 root 1 18