C13223313311212111133133313331333133313232233133313331323321232312311   >>    C1322331331121211113313331333133313331323223313331333132332123231231   <<    C13223313311212111133133313331333133313232233133313331323321232312313   >>      C13223313311212111133133313331333133313232233133313331323321232312312   >>