C111123313121111121111331333133313331333133313331122112111133133313113313232331   >>    C11112331312111112111133133313331333133313331333112211211113313331311331323233   <<    C111123313121111121111331333133313331333133313331122112111133133313113313232333   >>      C111123313121111121111331333133313331333133313331122112111133133313113313232332   >>