C3123223313331322121111331333133313331311331133133313331312313232211   >>    C312322331333132212111133133313331333131133113313331333131231323221   <<    C3123223313331322121111331333133313331311331133133313331312313232213   >>      C3123223313331322121111331333133313331311331133133313331312313232212   >>