C3213322333133313113313221211113313331333131131233232233112233321   >>    C321332233313331311331322121111331333133313113123323223311223332   <<    C3213322333133313113313221211113313331333131131233232233112233323   >>      C3213322333133313113313221211113313331333131131233232233112233322   >>