C3213322333133313113313221211113313331333133313121121123231131323311   >>    C321332233313331311331322121111331333133313331312112112323113132331   <<    C3213322333133313113313221211113313331333133313121121123231131323313   >>      C3213322333133313113313221211113313331333133313121121123231131323312   >>