C13223313311212111133133313331333133313232233133313331323321232321311   >>    C1322331331121211113313331333133313331323223313331333132332123232131   <<    C13223313311212111133133313331333133313232233133313331323321232321313   >>      C13223313311212111133133313331333133313232233133313331323321232321312   >>