Qr code generator algorithm. this can be easily done with our online QR generator goQR.

QRCode Monkey is one of the most popular free online qr code generators with millions of already created QR codes. g bmp image. Then, the list of segments can be fed into the QR Code generator to make a barcode. 4. Micro QR Code can be Feb 22, 2024 · Steps to create QR Code Generator Service. They can be used to quickly share information like URLs, contact information, or even product information. May 10, 2024 · Let’s use a basic web application to generate and display our QR codes on a page. Every other Android Barcode Scanner based on the ZXing library . Сreate, track, share and scan QR codes online with ME-QR! Customize it with your color, shape and logo in 3 simple steps. b. The high resolution of the QR codes and the powerful design options make it one of the best free QR code generators on the web that can be used for commercial and print purposes. For example: g4 ( x) = ( x - α 0) ( x - α 1) ( x - α 2) ( x - α 3) The same as (x + a i) because of GF (2^8). this can be easily done with our online QR generator goQR. How much you can cover depends on size of qr code and amount of correction bit. Tap the Set up TOTP button. Visit Scanova today and see the difference! 2. A QR code 1 version larger is 4 pixels wider and taller, so the size is (17 + version * 4) pixels. Comprehensible interface, variety in choosing the type of your QR-code, the ability to view statistics! Making free QR Codes in different types. 2. Kind: function. First off, let’s create an ASP. me, you have the option to download or embed the QR code with just the Feb 20, 2023 · Step 3: Add the Mode Indicator. A QR code formats a message with specifications, and places the result on a two-dimensional grid made up of pixels. Nov 19, 2023 · Reed–Solomon codes use a generator polynomial similar to BCH codes (not to be confused with the generator number alpha). If you are using Excel with Microsoft 365, the best way would be to use the IMAGE function. py. QR Codes actually started out as barcodes with their typical purpose: for supermarkets. A QR code is a square-shaped, with the data enclosed within the square. Select from a wide variety of options: PDF, menu, video, business cards, web, apps, etc. Let’s also change into the top-level project directory. Customize the style and color of your free generated QR code to match your branding. Generating QR Code. It also encodes kanji characters. Try for free. mkdir python-qr-code. Step 4: Add the Character Count Indicator. One can specify all the properties of required QR code through the optional The QR Algorithm • Remarkably simple algorithm: QR factorize and multiply in reverse order: Algorithm: “Pure” QR Algorithm . Wi-Fi Credentials: Enable quick network connection. With the help of the library, we can easily generate and read the QR code. Use jQuery to get the input text and generate the QR code for the entered text onclick to the button using the click event. Launch the mobile app on your device, choose the option for adding a new account, and scan the QR code. py file (for example, qrcode_generator. Create Free QR Codes with Dynamic QR Code Generator. This is possible with the Reed-Solomon error-correction algorithm: a clever system that can fix possible mistakes or errors in the transmission or storage of data. Taking the input of the text/URL, location to store the QR code, name of the QR code and the size of the QR code. 3. Step 2 - Click on the generated QR Code. In fact, this code has only two codewords: 000000000000000 and 111111111111111 (a trivial repetition code ). Mar 8, 2020 · The QR code format was created in 1994 by Japanese company Denso-Wave, which is a subsidiary of Toyota that manufactures auto components. Now you may print your free QR code or embed it on your website to make it available to others. To generate the QR code, we will use the Google Charts API. Simple (if you consider QR code as simple) headers-only C++ implementation of QR code generation algorithm. Importing the modules. There are 40 versions of the QR code. Jul 19, 2018 · Still need to add the iteration to the Matlab Code of the QR Algorithm using Gram-Schmidt to iterate until convergence as follows: I am having trouble completing the code to be able to iterate the Key Words: QR Code Overview, QR Code encoding of text, QR Code encoding of image _____ I. The QR Code specification appendix section gives an algorithm to minimize the bit stream length, having the same goal as my algorithm. Explore the different types here. QR codes are always square, but their sizes vary. Using Python to Generate a Basic QR Code. With a QR code you can encode and show off your brand information in a tidy graphic. QR codes can be used to show text to a user, to open a URL, to keep contact in an address book or to write messages. Then, open a terminal or command prompt, navigate to the directory where you saved the file, and run it using the command: python qrcode_generator. QR Codes for Personal Use Jun 16, 2023 · On the next page, click Add One Time Password Generator. In this article, I’ve shown you four ways you can use to generate QR codes in Excel. Allows coding of more than 4000 characters in a double-barcode bar. Optimize your digital presence and the process of basic generation of QR code is as in Figure 2. QR Codes in Marketing. The generator uses the AI algorithm; all QR codes will be unique. Generates a QR Code for any given input. Versions 10 through 26. Here are some benefits of using an AI-powered algorithm generator: Faster development times: AI-powered algorithm generators can generate algorithmic solutions, helping developers save time and focus on more critical tasks. However, for any other purpose, you’ll be a lot better Run the Python Program: After installing the required modules, save the code from the previous responses into a . Oct 24, 2023 · Qr codes 101: how do they work? Structure and components of qr code [1]. QR (quick response code) is a machine-readable 2-dimensional barcode consisting of an array of black and white squares, typically used for storing URLs or other information for reading by the camera on a reader e. Create codes with our free QR generator of codes. Qr codes placed. Made with. QR codes differ from barcodes seen in a retail or grocery store in that a standard barcode is one-dimensional and reads horizontally. Depending on your purpose, you can use our generator to create QR Codes to open a website, view a PDF file, listen to music, watch Youtube videos, store image files, connect to a WiFi network, and much more. While conventional bar codes are capable of storing a maximum of approximately 20 digits, QR Code is capable of handling several dozen to several hundred times more information. , blocks with more than 2 byte errors. Since you're only generating QR codes, you don' t need to write the software to correct format string codes, which would be needed for a QR code To build the QR code generator project using Python we need to follow the below steps: 1. It takes as input an intermediate format (sometimes called a compiler IR), which has been processed by the parser and typed checker but not yet lowered into machine code. Able to store up to 7089 digits or 4296 characters, including punctuation marks and special characters, the Code can equally encode words and phrases such as internet addresses. [18], which system mainly focused on using zip encoding for data compression algorithm and then color QR Code for applying modified multi-color QR encoding technique. py ). The sizes are called versions. Our comprehensive platform supports Digital Business Cards, QR Codes for URLs, social media, and much more. Step 3: Encode Using the Selected Mode. Generate as many QR codes as you need for FREE with no restrictions on commercial use. To find your personal QR Code that WeChat provides, go to the Me tab. use qrcode::QrCode; use image::Luma; // Encode some data into bits. Our QR Code Generator is FREE for anyone to use with no sign-up or account required - fully functional, 100% ad-free, permanent QR codes that don't expire. Fill in all the information and use our QR generator to get a unique design. Mar 18, 2023 · A QR Code (quick response code) is code used to store information and it can be read by a device that has QR scanning software on it. A while ago I found a generator that took an image and a text and tried to use a genetic algorithm to evolve a QR code that looked like (a 2-bit dither of) the image. Dec 24, 2020 · Java: Simple QR Code Generator Example – Create QR codes for fre Java: Simple QR Code Generator Example – Create QR codes for free Updated on Dec 24, 2020 by App 70 Oct 2, 2022 · Provide enough contrast · Mind the quiet zone around the QR Code · Print QR Codes in scalable vector format · Watch the minimum size · Do not exceed the maximum size of a logo in a QR Code Create QR Codes An Python implementation of the QR code algorithm. 1. The generator is the product of factors ( x - α n ), starting with n =0 for QR codes. QR Codes on Materials. This makes the identification of QR codes difficult, and therefore, to deal with this problem, artificial intelligence-based systems came into existence. And if you're wondering, yes, the above function returns a working QR Code! Oct 6, 2022 · Create Free QR Codes. The quick response, or QR, Code is a two-dimensional version of the Barcode able to convey a wide variety of information almost instantly with the scan of a mobile device. QR codes can be scanned with a variety of apps and smartphones, making them a versatile tool for sharing information. So if you will hide some small part of qr code, it will be still working. Select the content type you want your QR code to direct your users to: Text, URL, Image, Email, PDF,and more. QR Codes for Education. Enter / upload the relevant details / content. You can generate qr code (with some bigger amout of correction bit) as e. Step 4: Break Up into 8-bit Codewords and Add Pad Bytes if Necessary. Conclusion. QR codes can have grid sizes ranging from the smallest for version 1 at size 21×21, tothe largest (as of thiswriting)for version40 at size 177×177. QR codes are simply a different way of writing information, and the only way to have a unique code is to describe unique information with the code. Create QR Codes Delete QR Codes List QR Codes Questions (FAQ) Most of our users generate their QR Codes in black and white. The Free QR Code Generator for High Quality QR Codes. ISO/IEC 24778:2008, Aztec Code barcode symbology specification (CHF 158. Step 3: From the Create Code section, provide the details for what happens once the QR code is scanned. A (0) = A. We are also working on expanding this QR Code generator Oct 25, 2023 · Qr generation sha algorithm applying Uml gate Qr code work codes structure generator do much so they. The size is determined by the unusual term "version", so that version 1 is 21×21 pixels large, while version 40 (the largest) is 177×177 pixels. Anyway, with our API you can create QR Codes with the design and color you want. QR Codes for Nonprofits. Versions 27 through 40. QR codes can also support data like numbers The BCH code with and higher has the generator polynomial. Contact Details: Encode vCard information. cd qr-code-generator. Step 4: Once the detailed are all filled up, tap on Create Code. GZip Figure 2: . The code generator is also responsible for generating object code that can be This crate provides a QR code and Micro QR code encoder for binary data. g smartphone devices. Using jQuery, the QR code image to be displayed Generates QR Codes from text strings and byte arrays. This library is designed for convenient use when QR code version (size) is known at compile time, and all Aug 7, 2022 · QR codes are a special type of barcode created by Denso Wave Incorporated . is a handy application for scanning a QR code with a smartphone. QR code is a two-dimensional barcode readable on smartphones. Input Your Data: Decide what information you want to encode in the QR code: URL: If you want users to visit a specific website. The QR code make your brand accessible for customers anywhere and anytime, whether online or offline by just scanning it and it qr. I will break down some of the benefits from using QR Codes and the most requested QR Codes Developing an algorithm for generating a QR-Code with a microcontroller using C - bakirsw/QR-Code-Generator Enter the name of the WiFi network in the network name field. Creating a QR Code for vCard is easy. Scan the printed QR code to check that it works. Inspiration is mainly taken from nayuki's library and some code parts are borrowed, but the approach is mainly different. qrcodes will hold the generated QR Codes. They quickly gain popularity when it spread to smartphones. Hint: Don’t colour in near the three large squares in the corners, as most QR scanners need these to align the image. A 6-digit TOTP value should appear for the new key. Choose Scanova and create QR Codes that are both smart and stylish. No time limits, just free QR codes you can use with confidence straight away. for . Access the Tool: Visit the QR Code Generator page. Okapi Barcode generator is a pure Java library for generating various barcodes, including QR codes. Like the development of many technologies, QR Codes were created out of necessity. The software must have security compliances and should have SSL. Personalize. The introduced algorithm is based on the code area finding by four corners Gere gratuitamente o seu próprio QR CODE em apenas alguns cliques! Carregue sua marca d'água, selecione a cor preferida e baixe o seu código facilmente. Barcode Scanner from ZXing. implementation ‘androidmads. However, a QR code has an x-axis and y-axis, which means the information it can store will be exponentially larger. The primary goals are flexible options and absolute correctness. If you’re working for a company or own one, you may display the name and your role. Prerequisites: The Sep 20, 2023 · Bash. A QR (Quick Response) code is a type of barcode that can be scanned with a smartphone camera. It repeats this right-to-left, up-then-down zig-zag process until every data module is covered. Formatting the Border of the QR Code. If you would like to create a trackable QR Code, please sign up to create a Dynamic URL with QR Code Generator PRO instead. Micro QR Code was designed by Denso Wave in Japan to be a smaller, more compact version of their regular QR Code. Creating Animated QR Codes. Also, we shouldn't call them pixels, but This project aims to be the best, clearest QR Code generator library in multiple languages. Creating the main window. This function will return a QRCode object. Now colour in one of the white squares with a black pen, so that you’re changing one of the binary digits (bits). May 28, 2024 · 1. If you only need your WeChat QR Code to help friends add you on the platform, then the unique QR Code WeChat provides should work nicely. Text: For messages, instructions, or notes. Denso Wave, the Inventor of QR Code. QR codes encode text and numbers using a pattern of pixels that is designed to be easy for optical scanners to read. Aztec. QR Codes for Business. e. Nov 18, 2022 · The code generator is responsible for generating the assembly language for the target computer. The tutorial that you are reading is designed to teach programmers how to encode information in a QR code. QR Code Fácil - Gerador gratuito de códigos QR Dec 30, 2015 · Just use any QR code generator as long as it's processing your data locally. If it looks expensive, it's because it is but necessary if we want our QR codes to be readable even when damaged. Determine the Required Number of Bits for this QR Code. Actionable advice for novice and pro marketers. QR Codes for testing. Next, enter your contact details in the form of work, mobile, fax numbers as well as your email address. This library is designed for convenient use when QR code version (size) is known at compile time, and all What are QR Codes? QR Codes stands for 'Quick Response' They were created in 1994 by Denso Wave to track vehicles during manufacturing. in Germany, India, and the U. Credibility. Huawei phones have a QR code scanner in HiVision mode. Complete the following steps to set up integrated authentication from your app of choice: Edit the vault item for which you want to generate TOTPs. Customise and design it as you like. Tap on your avatar, then tap on My QR Code. Download your QR code. There is no limitation on generating the QR code. k = 1, 2, Q (k) R (k) = A (k 1) QR factorization of A (k 1) A (k) = R (k) Q (k) Recombine factors in reverse order • With some assumptions, A (k) converge to a Schur form for . Step 2: Next, select an action. QR Code is capable of handling all types of data, such as numeric and alphabetic characters, Kanji, Kana, Hiragana, symbols, binary, and control QR Code. Secondary goals are compact implementation size and good documentation comments. The use of QR codes is license-free. Continue editing. 0. In the 1960s, Japan experienced a wave of economic growth. Choose the content of your QR code. We want to recover up to 11 (25%) of them, which means that we must reserve 22 codewords for EDC. qr. Scan the QR code shown above in step 3 with a TOTP-based authenticator app. Qr An AI-powered algorithm generator can help developers create better algorithms faster. Oct 18, 2023 · Moreover, using compression technique for QR Codes focusing the increasing capacity has been developed by Arora et al. Before moving towards the Java program, we need to add the ZXing library to the project. NET Core Web Application (Model-View-Controller), and then add the QRCoder library from the package manager console: PM> install-package QRCoder. For example, if you have Google Authenticator on your mobile phone, open it, tap the button with plus sign, select "Scan a barcode", and scan the QR code shown above in step 3. Select the most relevant QR Code category for your use case Quick Response Codes. Customize your QR code using the following options: Select Size: Drag the slider to increase or decrease the final size of your QR Code. Dec 19, 2022 · Introduction: In this article, we are going to make a simple QR Code generator app. data will hold custom watermarks that we will use later to create custom QR codes. Oct 23, 2023 · The history of QR Codes. Nov 1, 2010 · In this paper, we give an algorithm for the analysis and correction of the distorted QR barcode (QR-code) image. Step 2: Create the server folder inside it and initialize the Node application: mkdir server. Changing the Size of the QR Code. Feb 5, 2024 · Below is a simple algorithm for the QR code generator app: Start the application. Go to Scanova. More importantly, it flags as erasures any uncorrectable blocks, i. g. To generate a QR code in Java, we need to use a third-party library named ZXing (Zebra Crossing). It then moves up two data modules at a time until it hits the first position marker. It has 1 data bit and 14 checksum bits. -) Wikiversity, Reed-Solomon codes for coders. Here’s how all QR codes are unique: QR codes don’t have to be unique, and apps that generate them have no idea whether any code is unique or not. Wikipedia QR code. The website will do the rest of the work for you and in seconds, it will have created a fully functional QR code for you. Jul 13, 2021 · For example, a version 2 QR code contains 44 codewords in total. gradle (Module:app) and add the below dependency in the dependencies section. (The above applies for smaller QR codes. Wikipedia Aztec code. Apr 18, 2019 · How to Create a QR Code Step 1: Open the Visual Codes app and tap on the Add Code button. Generate a QR code using a QR code generation library Jun 15, 2023 · June 15, 2023 By Theresa McDonough. This code has minimal Hamming distance 15 and corrects 7 errors. Micro QR is intended for use where QR Code would take up too much space or where less data needs to be encoded, as with direct parts marking on small components. The QR code recognition often faces the challenges of uneven background fluctuations, inadequate illuminations, and distortions due to the improper image acquisition method. First, enter your full name. Returns: A GeneratedSecret object Create static & dynamic QR Codes wherever you want in terms of seconds. Feb 14, 2022 · The barcode is a one dimension code storing information like ID numbers to specify an item. Thonky QR Code Tutorial. The first element of a CIRC decoder is a relatively weak inner (32,28) Reed–Solomon code, shortened from a (255,251) code with 8-bit symbols. 3’. QR CODE GENERATOR. The main focus of this system was increasing the storage The QR code scanner begins at the bottom right of the QR code. A (diagonal if Go to the QR Code Generator. Click Create QR Code. The Android Camera App has support for WiFi QR codes since Android 10. Build engaging campaigns for any industry. Jan 22, 2024 · Have you ever wondered what’s behind the pixel-like square images known as QR Codes? How can you simply scan it with your smartphone’s camera and access a website, make a payment, or store contact information? The answer lies in the way QR Codes encode data. -) Rit Service (web Returns the secret key in ASCII, hexadecimal, and base32 format, along with the URL used for the QR code for Google Authenticator (an otpauth URL). Remove ads. QR code payment is one of the contactless payment methods to transfer funds from the buyer’s wallet to the E. If you have trouble scanning the QR code, use the alternative option to enter a setup key. Generate the QR code and customize its appearance to make it visually appealing. The usage is effortless: Step 1 - Go to the Random QR Code Generator Page. This mode has an eye-shaped icon and can be lauched from the lock screen by swiping up or from the camera. A page with a QR code is displayed. Now sync the project from the top right corner option of Sync now. Add QR Codes to virtually anything. It is also denoted as: (15, 1) BCH code. Watch Now This tutorial has a related video course created by the Real Python team. qrgenearator:QRGenearator:1. Then it moves two data modules to the left and goes down. Validate the input data to ensure it meets the requirements for QR code encoding. gzBasic generation of QR code (Courtesy: International Standard ISO/IEC 18004 (Denso Incorporation, 2006)) The output result of the process in Figure 2 is a QR code image. RedTitan. Once set up, integrated authentication will continuously generate six-digit TOTPs rotated every 30 seconds, which Mar 14, 2023 · QR codes (short for Quick Response codes) were originally developed for use in the automotive industry to track factory inventories and logistics, but their popularity has expanded significantly in the past few years due to the widespread applications of smartphones and mobile phone cameras. Create a QR Code. To improve the recognition rate of QR image codes, this article Apr 26, 2024 · The QR code correction level guarantees that users who scan your QR code can still retrieve or access its embedded data even when damaged. . Download the QR code image in your preferred file type. You can now even scan QR Codes from your phone camera. It will ensure that users can create QR codes quickly and efficiently. Click here to download the QR code generator template, where you can specify the data in column A and then instantly generate the QR codes. Drive engagement in schools. Generate QR codes for websites, phone numbers, email addresses etc Get the free "QR CODE GENERATOR" widget for your website, blog, Wordpress, Blogger, or iGoogle. On GOQR. Qr code algorithm generator anatomy visualead codes heard maybe probably known even them they choose board Table of Contents. Creating a QR code for a PDF documents is a straightforward process with the help of a QR code generator tool. Jun 25, 2024 · It’s useless to go for a QR code generator that’s complicated to use. S. To generate your QR code, follow these steps: Choose the PDF document you wish to convert. It's more professional for official and personal use. Ensure the QR code is scannable and easily accessible to users. The smallest QR codes are 21x21 pixels, and the largest are 177x177. Changing the Colors of the QR Code. Open the QR code generator, enter a URL, and tap the Download button. The largest one can store 1850 uppercase characters. QR codes can be used for a variety of purposes, including tracking inventory, advertising, electronic Sep 29, 2020 · All qr codes have something like correction bit. mkdir qr-code-generator. Versions 1 through 9. This project aims to be the best, clearest QR Code generator library. Step 1: Create the folder for the project by using the following command. Raise awareness for charities. Enter the WiFi password (case sensitive) and select the security protocol you’ve chosen for your network. Rotating the QR Code. com. Make sure it matches the name on your router exactly. This code can correct up to 2 byte errors per 32-byte block. The standard is defined in ISO/IEC 18004:2006. +1 (929) 930 2212support@the-qrcode-generator. Step 3 - You will get the randomly generated QR code. Scan the QR code and tap Save to begin generating TOTPs. Bash. Scan your “damaged” QR code again. Go for a QR code generator that you can trust. NEVER USE ONLINE QR GENERATORS FOR MFA SECRETS On Linux I'd recommend the python-qrcode library that can print your QR code using UTF-8 characters on the console. Using the Scanova QR Code generator, here’s how you can do it: a. The interface should be user-friendly and easy to navigate. Each new QR code version Boost your marketing with QRCodeChimp, the best QR Code Generator and Management Platform for businesses! Easily create custom QR Codes with logos for free, and take advantage of features like advanced analytics, bulk uploads, and diverse QR shapes. Gives a copyable image that can be used. Then, create two additional folders in the new directory, named data and qrcodes. To use a QR code generator, all you have to do is enter the text, URL, phone number, SMS or vCard information that you want to be scannable. Aug 14, 2021 · function getMaskedQRCode(version, codewords, errorLevel, maskIndex) { const matrix = getMaskedMatrix(version, codewords, maskIndex); placeFormatModules(matrix, errorLevel, maskIndex); placeFixedPatterns(matrix); return matrix; } And we're done! 🙌. Accept user input for the data to be encoded in the QR code (in this case, the URL of any website). gradle (Module:app) Navigate to the Gradle Scripts > build. The structure of QR code in Figure 3 shows the What is a QR Code generator? It is a niche tool that is used to generate different types of QR Codes. Use a QR code library to generate a QR code based on the Google Authenticator URL to obtain a QR code you can scan into the app. A. ISO/IEC 18004:2006, QR Code 2005 barcode symbology specification (CHF 198. If this is a hidden network, tick the ‘Hidden’ box next to the field. create(content, error='H', version=None, mode=None, encoding=None) : When creating a QR code only the content to be encoded is required, all the other properties of the code will be guessed based on the contents given. Micro QR Code. As such, it is recommended that you only read Dec 14, 2023 · Approach: Now, use the class and ID CSS selectors to select the elements and style them using the CSS properties. cd server. Creating a TikTok QR Code is easy and just takes a few quick steps: Select the URL tab in the generator above. - GitHub - mmpdrosa/qrcode-generator: An Python implementation of the QR code algorithm. Next, let’s add a new record in the Models folder: Jul 26, 2019 · The format string generator polynomial (x^10 + x^8 + x^5 + x^4 + x^2 + x + 1 == 10100110111) is a BCH code with 5 data bits, 10 parity bits, minimal distance 7 and corrects up to three (1 bit) errors. unwrap(); // Render the bits into an image. Copy and paste your TikTok profile link into the URL field. me: just create a QR code by typing in your data and download it as high resolution PNG or vector graphic (SVG, EPS). ENCODING PROCEDURE OVERVIEW Data Analysis The data were analyzed to determine the input stream will be included in a variety of characters. Sign up with the easiest-to-use QR Code generator and get access to creating dynamic QR Codes that are editable and trackable. QR Code Scanner. Unfortunately I’ve since lost the link, but I was quite impressed that it managed to generate a QR code for my then-employer’s URL that looked like their logo. The image instantly changes to show your new QR code. let code = QrCode::new( b"01234567" ). Say more with less with a free QR code design using our free QR code generator. QR code contains several methods by character code to allow a different subset of characters [2] to be converted is Jul 6, 2021 · Step 2: Add dependency to build. This functionality is available exclusively in the Java language port, not the other languages. Dec 6, 2023 · How to generate QR Codes for WeChat. It was originally written in Java and ported to some other programming languages. It is a popular API that allows us to process with QR code. The 21x21 pixel size is Jun 27, 2024 · Pro Tip: Don’t settle for a basic QR Code generator. Jul 8, 2021 · Sizes. library. May 17, 2020 · pyqrcode. You may choose to display both your first and last name or just either one. May 30, 2024 · QR Code generator is an open-source library that aims to be the clearest QR code generator with flexible options and absolute correctness. 1 uml class diagram for the gate generator softwareCloud based dynamic qr code generator Block diagram of qr code generation applying the modified sha-1The block diagram of healthbuddy the qr codes, 20 x 20 are placed on. hp ls du pt te ol xw rv pq ec