1 array 8 2 2 const 2 00 3 const 2 01 4 const 2 10 5 read 8 1 2 6 read 8 1 3 7 read 8 1 4 8 eq 1 5 6 9 eq 1 5 7 10 eq 1 6 7 11 or 1 -8 -9 12 or 1 11 -10 13 root 1 12