C13223313311212111133133313331333133313232233133313121111133313221232231   >>    C1322331331121211113313331333133313331323223313331312111113331322123223   <<    C13223313311212111133133313331333133313232233133313121111133313221232233   >>      C13223313311212111133133313331333133313232233133313121111133313221232232   >>