C3213322333133313113313221211113313331333133313121121123231113112331331   >>    C321332233313331311331322121111331333133313331312112112323111311233133   <<    C3213322333133313113313221211113313331333133313121121123231113112331333   >>      C3213322333133313113313221211113313331333133313121121123231113112331332   >>