C111123313121111121111331333133313331322121111331333133313331323112332331   >>    C11112331312111112111133133313331333132212111133133313331333132311233233   <<    C111123313121111121111331333133313331322121111331333133313331323112332333   >>      C111123313121111121111331333133313331322121111331333133313331323112332332   >>