C3123223313331322121111331333133313331311331133133313331333133311213233311   >>    C312322331333132212111133133313331333131133113313331333133313331121323331   <<    C3123223313331322121111331333133313331311331133133313331333133311213233313   >>      C3123223313331322121111331333133313331311331133133313331333133311213233312   >>