Activating encoder mode
4 200
0110
0011
0001
1000
? 1 2
<
? 2 3
<
? 3 4
>
? 4 1
>
? 2 4
>
? 3 1
<
! 1 2 3 4 
? 1 2
Grader gave feedback: Case #1: Wrong edge in answer, 1 to 2
Grader killed graded software