C313212111133131211331333133313331311331333131211111211113313331322332233311   >>    C31321211113313121133133313331333131133133313121111121111331333132233223331   <<    C313212111133131211331333133313331311331333131211111211113313331322332233313   >>      C313212111133131211331333133313331311331333131211111211113313331322332233312   >>