1 array 8 6 
2 var 3 
3 var 3 
4 concat 6 2 3
5 slice 2 3 2 1
6 slice 1 3 0 0
7 concat 5 2 5 
8 concat 6 7 6
9 eq 1 4 8 
10 read 8 1 4 
11 read 8 1 8 
12 eq 1 10 11 
13 and 1 9 -12
14 root 1 13