C3213322333133313113313221211113313331333131231322333223321123211   >>    C321332233313331311331322121111331333133313123132233322332112321   <<    C3213322333133313113313221211113313331333131231322333223321123213   >>      C3213322333133313113313221211113313331333131231322333223321123212   >>