C3123121111331311213331333131133133313331333133313331333133313331323232133231   >>    C312312111133131121333133313113313331333133313331333133313331333132323213323   <<    C3123121111331311213331333131133133313331333133313331333133313331323232133233   >>      C3123121111331311213331333131133133313331333133313331333133313331323232133232   >>