C111123313121111121111331333133313331333132232233131211111333213121   >>    C11112331312111112111133133313331333133313223223313121111133321312   <<    C111123313121111121111331333133313331333132232233131211111333213123   >>      C111123313121111121111331333133313331333132232233131211111333213122   >>