C11112331312111112111133133313331333133313223223313121111133313231211332331   >>    C1111233131211111211113313331333133313331322322331312111113331323121133233   <<    C11112331312111112111133133313331333133313223223313121111133313231211332333   >>      C11112331312111112111133133313331333133313223223313121111133313231211332332   >>