C31232233133313221211113313331333133313113311331333131133131132113231   >>    C3123223313331322121111331333133313331311331133133313113313113211323   <<    C31232233133313221211113313331333133313113311331333131133131132113233   >>      C31232233133313221211113313331333133313113311331333131133131132113232   >>