1 var 16 pc
2 var 16 accu
3 var 1 flag
4 array 16 5
5 array 16 16
6 constd 16 10
7 eq 1 1 6
8 constd 16 1
9 redor 1 8
10 and 1 9 7
11 root 1 10
12 next 16 1 1
13 next 16 2 2
14 next 1 3 3
15 anext 16 5 4 4
16 anext 16 16 5 5