Activating encoder mode
4 200
0 1 1 0 
0 0 1 1 
0 0 0 1 
1 0 0 0 
? 2 1
>
? 2 1
>
? 4 3
<
? 4 1
>
? 4 2
<
? 3 2
>
! 1 4 2 3 
? 2 1
Grader gave feedback: Case #1: Wrong edge in answer, 1 to 4
Grader killed graded software