C3123121111331311213331333131133133313331333133313331333132213111   >>    C312312111133131121333133313113313331333133313331333133313221311   <<    C3123121111331311213331333131133133313331333133313331333132213113   >>      C3123121111331311213331333131133133313331333133313331333132213112   >>