C13223313311212111133133313331333131212111113331333133313221231231211   >>    C1322331331121211113313331333133313121211111333133313331322123123121   <<    C13223313311212111133133313331333131212111113331333133313221231231213   >>      C13223313311212111133133313331333131212111113331333133313221231231212   >>