C3213322333133313113313221211113313331333133313121121123223132223231   >>    C321332233313331311331322121111331333133313331312112112322313222323   <<    C3213322333133313113313221211113313331333133313121121123223132223233   >>      C3213322333133313113313221211113313331333133313121121123223132223232   >>