C111123313121111121111331333133313331323231333133313331333232233131223113121   >>    C11112331312111112111133133313331333132323133313331333133323223313122311312   <<    C111123313121111121111331333133313331323231333133313331333232233131223113123   >>      C111123313121111121111331333133313331323231333133313331333232233131223113122   >>