get 0 8
0
put 0 8
get 0 8
65535
put 0 8
get 0 8
65534
put 0 8
get 0 8
1
put 0 8
get 0 8
2
put 0 8
get 0 8
-1
put 0 8
get 0 8
-2
get 0 1
ff get 1 2
ff get 2 3
ff get 3 4
ff get 4 5
ff get 5 6
ff get 6 7
ff get 7 8
fe