C3123121111331311213331333131133133313331333133313331313223331311   >>    C312312111133131121333133313113313331333133313331333131322333131   <<    C3123121111331311213331333131133133313331333133313331313223331313   >>      C3123121111331311213331333131133133313331333133313331313223331312   >>