C13223313311212111133133313331333131212111113331333133312131221   >>    C1322331331121211113313331333133313121211111333133313331213122   <<    C13223313311212111133133313331333131212111113331333133312131223   >>      C13223313311212111133133313331333131212111113331333133312131222   >>