C13223313311212111133133313331333133313232233133313331333131122333331   >>    C1322331331121211113313331333133313331323223313331333133313112233333   <<    C13223313311212111133133313331333133313232233133313331333131122333333   >>      C13223313311212111133133313331333133313232233133313331333131122333332   >>