Activating encoder mode
5 2
01111
00101
00001
01101
00000
? 1 2
>
? 3 4
<
? 5 4
<
? 3 5
>
? 2 4
<
? 5 1
<
? 4 1
<
? 3 1
<
? 4 4
Grader gave feedback: Case #1: Invalid query
Grader killed graded software