C13223313311212111133133313331333133313232233133313121111331122213331323132121   >>    C1322331331121211113313331333133313331323223313331312111133112221333132313212   <<    C13223313311212111133133313331333133313232233133313121111331122213331323132123   >>      C13223313311212111133133313331333133313232233133313121111331122213331323132122   >>