C3123223313331322121111331333133313331311331133133313331333131333112331   >>    C312322331333132212111133133313331333131133113313331333133313133311233   <<    C3123223313331322121111331333133313331311331133133313331333131333112333   >>      C3123223313331322121111331333133313331311331133133313331333131333112332   >>