Activating encoder mode
5 2
01100
00000
01001
11101
11000
? 1 2
>
? 3 4
<
? 2 5
<
? 5 1
>
? 3 5
>
? 4 2
>
? 4 1
>
? 4 5
>
? 4 4
Grader gave feedback: Case #1: Invalid query
Grader killed graded software