Activating encoder mode
5 2
01111
00101
00010
01001
00100
? 1 2
>
? 3 4
>
? 5 1
<
? 2 5
>
? 5 3
>
? 1 4
>
? 1 3
>
? 1 1
Grader gave feedback: Case #1: Invalid query
Grader killed graded software