1 array 1 1 2 array 1 1 3 const 1 0 4 const 1 1 5 read 1 1 3 6 read 1 1 4 7 ulte 1 5 6 9 read 1 2 3 10 read 1 2 4 11 ulte 1 9 10 13 ne 1 1 2 14 and 1 7 11 15 and 1 13 14 16 root 1 15