222 lines
5.9 KiB
HTML
222 lines
5.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>Generator kart na social media</title>
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<style>
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* {
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font-family: sans-serif;
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}
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#container.overflow {
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display: grid !important;
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grid-template-columns:
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1fr calc(
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(
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var(--width) / var(--height) * var(--overflow-height) - 2 *
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var(--padding)
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) * var(--scale)
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)
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1fr;
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width: calc(var(--scale) * var(--overflow-width)) !important;
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height: calc(var(--scale) * var(--overflow-height)) !important;
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grid-template-rows: 1fr 10fr;
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background-color: var(--yellow);
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}
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#container.overflow #text_box {
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grid-column: 2;
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}
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#container.overflow #image_box {
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grid-column: 1/4;
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}
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#text_box {
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background-color: white;
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padding-top: var(--padding);
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}
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</style>
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</head>
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<body
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style="
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--yellow: #ffee2c;
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--scale: 2;
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--padding: 20px;
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--width: 100px;
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--height: 100px;
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--overflow-width: 150px;
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--overflow--height: 150px;
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display: flex;
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"
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>
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<section style="margin-right: 20px">
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<h1>Generator kart na social media</h1>
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<textarea id="text" style="width: 600px; height: 120px">
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Treść komunikatu</textarea
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>
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<br />
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<input id="file" type="file" accept="image/png, image/jpeg" />
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<br />
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<select id="size" onchange="resize()"></select>
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<select id="scale_picker" onchange="rescale()">
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<option value="1">1x</option>
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<option value="2" selected>2x</option>
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<option value="3">3x</option>
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</select>
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<input type="checkbox" id="overflow" onchange="reoverflow()" /><label
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for="overflow"
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>
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Tryb overflow
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</label>
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</section>
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<section>
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<h2>Twitter</h2>
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<div
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id="container"
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style="
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box-sizing: border-box;
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border: calc(var(--padding) * var(--scale)) solid var(--yellow);
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display: flex;
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flex-flow: column;
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width: calc(var(--scale) * var(--width));
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height: calc(var(--scale) * var(--height));
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"
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>
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<div id="text_box">
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<img
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src="./logo.png"
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width="80"
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height="80"
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style="
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float: left;
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height: calc(var(--scale) * 80px);
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width: calc(var(--scale) * 80px);
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padding-right: var(--padding);
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margin-top: calc(-1 * var(--padding));
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"
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/>
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<p
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id="text_target"
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style="margin: 0; font-size: calc(var(--scale) * 16px)"
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>
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Treść komunikatu
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</p>
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</div>
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<div
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id="image_box"
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style="flex-grow: 1; position: relative; overflow: hidden"
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>
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<div
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id="image_blur"
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style="
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height: 100%;
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width: 100%;
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background-size: cover;
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background-position: center;
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background-repeat: no-repeat;
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position: absolute;
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filter: blur(10px);
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"
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></div>
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<div
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id="image"
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style="
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height: 100%;
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width: 100%;
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background-size: contain;
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background-position: center;
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background-repeat: no-repeat;
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position: absolute;
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"
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></div>
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</div>
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</div>
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</section>
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</body>
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<script>
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const body = document.querySelector("body");
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const sizes = {
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"Twitter - 1 zdjęcie": {
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thumbnail_size: [512, 313],
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overflow_size: [1024, 768],
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},
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"Twitter - 2 zdjęcia": {
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thumbnail_size: [377, 434],
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overflow_size: [1024, 768],
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},
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"LinkedIn - 1 zdjęcie": {
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thumbnail_size: [540, 346],
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overflow_size: [733, 723],
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},
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"LinkedIn - 2 zdjęcia": {
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thumbnail_size: [270, 552],
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overflow_size: [733, 723],
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},
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};
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for (const value of Object.keys(sizes)) {
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const option = document.createElement("option");
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option.value = value;
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option.textContent = value;
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size.appendChild(option);
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}
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function toBase64(file) {
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return new Promise((resolve) => {
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const FR = new FileReader();
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FR.addEventListener("load", (e) => {
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resolve(e.target.result);
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});
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FR.readAsDataURL(file);
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});
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}
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function refreshText() {
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text_target.innerHTML = text.value.replace(/\n/, "<br/>");
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}
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const refreshImage = async () => {
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image.style.backgroundImage = `url("${await toBase64(file.files[0])}")`;
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image_blur.style.backgroundImage = `url("${await toBase64(
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file.files[0]
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)}")`;
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};
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const resize = () => {
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const scale = parseInt(body.style.getPropertyValue("--scale"));
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const [width, height] = sizes[size.value].thumbnail_size;
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const [overflow_width, overflow_height] = sizes[size.value].overflow_size;
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body.style.setProperty("--width", width + "px");
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body.style.setProperty("--height", height + "px");
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body.style.setProperty("--overflow-width", overflow_width + "px");
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body.style.setProperty("--overflow-height", overflow_height + "px");
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};
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function rescale() {
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document
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.querySelector("body")
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.style.setProperty("--scale", scale_picker.value);
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resize();
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}
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function reoverflow() {
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const should_overflow = overflow.checked;
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if (should_overflow) {
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container.classList.add("overflow");
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} else {
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container.classList.remove("overflow");
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}
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}
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refreshText();
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refreshImage();
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resize();
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rescale();
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reoverflow();
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text.oninput = refreshText;
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file.onchange = refreshImage;
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/* [1014, 723] -- linked in */
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</script>
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</html>
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