C3213322333133313113313221211113313331333131111331322232221213321   >>    C321332233313331311331322121111331333133313111133132223222121332   <<    C3213322333133313113313221211113313331333131111331322232221213323   >>      C3213322333133313113313221211113313331333131111331322232221213322   >>