C11112331312111112111133133313331333133313132211312111133131122331   >>    C1111233131211111211113313331333133313331313221131211113313112233   <<    C11112331312111112111133133313331333133313132211312111133131122333   >>      C11112331312111112111133133313331333133313132211312111133131122332   >>