C3123121111331311213331333131133133313331333133313331333133313331322112123231   >>    C312312111133131121333133313113313331333133313331333133313331333132211212323   <<    C3123121111331311213331333131133133313331333133313331333133313331322112123233   >>      C3123121111331311213331333131133133313331333133313331333133313331322112123232   >>