C3123121111331311213331333131133133313331331121111113313232233312131   >>    C312312111133131121333133313113313331333133112111111331323223331213   <<    C3123121111331311213331333131133133313331331121111113313232233312133   >>      C3123121111331311213331333131133133313331331121111113313232233312132   >>