C3213322333133313113313221211113313331333133313121121123311131323311   >>    C321332233313331311331322121111331333133313331312112112331113132331   <<    C3213322333133313113313221211113313331333133313121121123311131323313   >>      C3213322333133313113313221211113313331333133313121121123311131323312   >>