private static String numberingText(final int n, String text) {
    if (n < 9) {
      text = "&" + (n + 1) + ". " + text;
    }
    else if (n == 9) {
      text = "&" + 0 + ". " + text;
    }
    else {
      text = "&" + (char)('A' + n - 10) + ". " + text;
    }
    return text;
  }
private static String numberingText(final int n, String text)