public static void main(String[] args) {
        // [44 01] [00] [E9 23 00 00] [01 00 00 00] [36 0B 20 00]
        Scanner scanner = new Scanner(System.in);
        StringBuilder str = new StringBuilder();
        str.append("44 01");//[44 01]
        str.append(" ");
        str.append("00");//[00]
        str.append(" ");
        System.out.println("Input the QuestID: ");
        int questID = scanner.nextInt(); // 9193
        System.out.println("Input the ItemID: ");
        int itemID = scanner.nextInt(); // 2100022
        System.out.println("Input the Count (Default 1):");
        int count = scanner.nextInt();
        String toQuest = Integer.toHexString(questID).toUpperCase();//[
        String toItem = Integer.toHexString(itemID).toUpperCase();
        String tmp;
        while (toQuest.length() % 2 > 0) {
            tmp = "0" + toQuest;
            toQuest = tmp;
        }
        while (toItem.length() % 2 > 0) {
            tmp = "0" + toItem;
            toItem = tmp;
        }
        while (toQuest.length() / 2 < 4) {
            tmp = "0" + toQuest;
            toQuest = tmp;
        }
        while (toItem.length() / 2 < 4) {
            tmp = "0" + toItem;
            toItem = tmp;
        }
        tmp = "";
        for (int i = toQuest.length(); i > 0; i -= 2) {
            tmp += toQuest.charAt(i - 2);
            tmp += toQuest.charAt(i - 1);
        }
        toQuest = tmp;
        tmp = "";
        for (int i = toItem.length(); i > 0; i -= 2) {
            tmp += toItem.charAt(i - 2);
            tmp += toItem.charAt(i - 1);
        }
        toItem = tmp;
        for (int i = 0; i < toQuest.length(); i+= 2) {
            str.append(toQuest.substring(i, i + 2));
            str.append(" ");
        }
        str.append(count < 0xF ? "0" : "").append(Integer.toHexString(count).toUpperCase());//>= 0 though..
        str.append(" ");
        str.append("00 00 00");//count will never be > 0xFF.
        str.append(" ");
        for (int i = 0; i < toItem.length(); i+= 2) {
            str.append(toItem.substring(i, i + 2));
            str.append(" ");
        }
        System.out.println("Packet: " + str.toString());
    }