Activating encoder mode
4 200
0011
1001
0100
0010
? 1 4
>
? 2 3
>
? 4 2
>
? 3 1
>
! 1 4 2 3
? 4 1
>
? 3 2
>
? 1 3
>
? 2 4
<
? 2 2
Grader gave feedback: Case #2: Invalid query
Grader killed graded software