C3213322333133313113313221211113313331333131131233232231213311231   >>    C321332233313331311331322121111331333133313113123323223121331123   <<    C3213322333133313113313221211113313331333131131233232231213311233   >>      C3213322333133313113313221211113313331333131131233232231213311232   >>