C11112331312111112111133133313331311331323212331333131133131122331   >>    C1111233131211111211113313331333131133132321233133313113313112233   <<    C11112331312111112111133133313331311331323212331333131133131122333   >>      C11112331312111112111133133313331311331323212331333131133131122332   >>