C3213322333133313113313221211113313331333133313121121123311311321   >>    C321332233313331311331322121111331333133313331312112112331131132   <<    C3213322333133313113313221211113313331333133313121121123311311323   >>      C3213322333133313113313221211113313331333133313121121123311311322   >>