C312312111111331312111133133313121111133313113313223313232123131
>>
C31231211111133131211113313331312111113331311331322331323212313
<<
C312312111111331312111133133313121111133313113313223313232123133
>>
C312312111111331312111133133313121111133313113313223313232123132
>>