1 var 3 2 slice 1 1 0 0 3 concat 2 -2 -2 4 zero 2 5 eq 1 3 4 6 slice 2 1 1 0 7 add 2 -6 -4 8 mul 2 7 7 9 slice 1 8 0 0 10 and 1 -5 9 11 root 1 10