C13223313311212111133133313331333133313232233133313331333131333133312231   >>    C1322331331121211113313331333133313331323223313331333133313133313331223   <<    C13223313311212111133133313331333133313232233133313331333131333133312233   >>      C13223313311212111133133313331333133313232233133313331333131333133312232   >>