C11112331312111112111133133313331333133313223223313121111113313232123311211331   >>    C1111233131211111211113313331333133313331322322331312111111331323212331121133   <<    C11112331312111112111133133313331333133313223223313121111113313232123311211333   >>      C11112331312111112111133133313331333133313223223313121111113313232123311211332   >>