C111123313121111121111331333133313331333133313331122112322121311   >>    C11112331312111112111133133313331333133313331333112211232212131   <<    C111123313121111121111331333133313331333133313331122112322121313   >>      C111123313121111121111331333133313331333133313331122112322121312   >>