C11112331312111112111133133313331333133313331333133313113313231333131333112111   >>    C1111233131211111211113313331333133313331333133313331311331323133313133311211   <<    C11112331312111112111133133313331333133313331333133313113313231333131333112113   >>      C11112331312111112111133133313331333133313331333133313113313231333131333112112   >>