1 array 32 32 2 var 32 3 var 32 4 var 32 5 var 32 6 var 32 7 write 32 32 1 2 3 8 write 32 32 7 4 5 9 write 32 32 8 2 6 10 write 32 32 1 4 5 11 write 32 32 10 2 6 12 eq 1 9 11 13 root 1 -12