C312312111111331312111133133313121111133313113313223313232223132231   >>    C31231211111133131211113313331312111113331311331322331323222313223   <<    C312312111111331312111133133313121111133313113313223313232223132233   >>      C312312111111331312111133133313121111133313113313223313232223132232   >>