C3123121111331311213331333131133133313331333133313331333133313331333112322221   >>    C312312111133131121333133313113313331333133313331333133313331333133311232222   <<    C3123121111331311213331333131133133313331333133313331333133313331333112322223   >>      C3123121111331311213331333131133133313331333133313331333133313331333112322222   >>