C312312111111331312111133133313121111133313113313223313231231211
>>
C31231211111133131211113313331312111113331311331322331323123121
<<
C312312111111331312111133133313121111133313113313223313231231213
>>
C312312111111331312111133133313121111133313113313223313231231212
>>