C13223313311212111133133313331333133313232233133313121111331333133323333311   >>    C1322331331121211113313331333133313331323223313331312111133133313332333331   <<    C13223313311212111133133313331333133313232233133313121111331333133323333313   >>      C13223313311212111133133313331333133313232233133313121111331333133323333312   >>