C11112331312111112111133133313331333133313331333133313113313112111   >>    C1111233131211111211113313331333133313331333133313331311331311211   <<    C11112331312111112111133133313331333133313331333133313113313112113   >>      C11112331312111112111133133313331333133313331333133313113313112112   >>