C3213322333133313113313221211113313331333133313112212132312312112233211   >>    C321332233313331311331322121111331333133313331311221213231231211223321   <<    C3213322333133313113313221211113313331333133313112212132312312112233213   >>      C3213322333133313113313221211113313331333133313112212132312312112233212   >>