2024-01-03 11:47:11 +01:00
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Mapping Movements - Alternative map of movements</title>
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<style>
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2024-01-03 13:19:09 +01:00
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:root {
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2024-01-03 12:48:15 +01:00
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--marker-size: 20px;
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}
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body {
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background: linear-gradient(#e66465, #9198e5);
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height: 100vh;
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color: white;
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font-family: sans-serif;
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}
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.about {
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position: absolute;
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bottom: 20px;
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right: 20px;
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width: 400px;
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z-index: 10;
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}
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2024-01-03 11:47:11 +01:00
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#map {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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}
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.initiative::before {
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position: absolute;
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top: 0;
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left: 0;
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width: var(--marker-size);
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height: var(--marker-size);
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/* background: black; */
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border: solid 2px black;
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/* border-style: dotted; */
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border-radius: 0 7px 0 7px;
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content: ' ';
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}
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.initiative.selected::before,
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.initiative:hover::before {
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background: black;
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}
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.initiative {
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position: absolute;
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top: calc(50% - 50px);
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left: 0;
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/* height: 100px;
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width: 100px; */
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/* overflow: hidden; */
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height: var(--marker-size);
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width: var(--marker-size);
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transition: left 2s, top 2s;
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cursor: pointer;
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}
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.initiative h2 {
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position: absolute;
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width: 250px;
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font-size: 100%;
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margin: 0;
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/* opacity: .1; */
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display: none;
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top: calc(var(--marker-size) - 5px);
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left: calc(var(--marker-size) + 10px);
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}
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.initiative .organisation {
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position: absolute;
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width: 250px;
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/* opacity: .1; */
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display: none;
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bottom: calc(var(--marker-size) - 5px);
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left: calc(var(--marker-size) + 10px);
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}
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.initiative:hover .organisation,
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.initiative:hover h2,
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.initiative.selected .organisation,
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.initiative.selected h2 {
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opacity: 1;
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display: block;
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}
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svg {
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position: fixed;
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top: 40px;
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left: calc(20px + var(--marker-size) / 2);
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right: 0;
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height: calc(100vh - 100px);
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z-index: -1;
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}
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svg line {
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stroke: rgba(255, 255, 255, .5);
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stroke-width: 0.3px;
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stroke-dasharray: 100 100;
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stroke-dashoffset: 0;
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transition: stroke-dashoffset 2s, opacity 2s;
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}
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</style>
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<script>
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class Map {
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constructor(mapEl, lineEl) {
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this.margin = 20;
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this.mapEl = mapEl;
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this.lineEl = lineEl;
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this.initiatives = []
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this.similarities = {}
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this.offsets = []
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this.offsetsEls = {}
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}
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_load() {
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return fetch("similarities.json")
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.then((response) => {
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if (!response.ok) {
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throw new Error(`HTTP error! Status: ${response.status}`);
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}
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return response.json();
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})
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.then((response) => {
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this.initiatives = response.initiatives
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this.similarities = response.similarities
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this.offsets = response.pca_1
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});
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}
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init() {
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this._load()
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.then(() => {
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this._createElements()
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this.selectInitiative(0)
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window.addEventListener('resize', (e) => this.selectInitiative(this.selectedIndex))
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});
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}
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_createElements() {
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this.mapEl.innerHMTL = "";
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this.initiatives.forEach((initiative, initiative_idx) => {
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const el = document.createElement('div')
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el.classList.add('initiative')
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el.innerHTML = `
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<h2>${initiative.Title}</h2>
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<div class='organisation'>${initiative.Organisation}</div>
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`;
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el.addEventListener('click', (e) => this.selectInitiative(initiative_idx));
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initiative['el'] = el;
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this.mapEl.appendChild(el);
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// <line x1="0" y1="0" x2="200" y2="200" style="stroke:rgb(255,0,0);stroke-width:2" />
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const line = document.createElementNS("http://www.w3.org/2000/svg", 'line')
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line.setAttributeNS(null, "x1", 0)
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line.setAttributeNS(null, "y1", 0)
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line.setAttributeNS(null, "x2", Math.cos(this.offsets[initiative_idx] * Math.PI - Math.PI * .5) * 100)
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line.setAttributeNS(null, "y2", Math.sin(this.offsets[initiative_idx] * Math.PI - Math.PI * .5) * 100)
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this.lineEl.appendChild(line);
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this.offsetsEls[initiative_idx] = line;
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})
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}
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selectInitiative(nr) {
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this.selectedIndex = nr;
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this.selectedInitiative = this.initiatives[nr];
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const radius = Math.min(window.innerWidth, window.innerHeight / 2) - 2 * this.margin;
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const centerY = window.innerHeight / 2 - this.margin;
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const centerX = this.margin;
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this.similarities[this.selectedIndex].forEach((similarity, initiative_idx) => {
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const offset = this.offsets[initiative_idx] // initiative_idx / (this.initiatives.length - 1);
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const el = this.initiatives[initiative_idx]['el'];
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const r = (similarity - 1) * radius;
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const x = Math.cos(offset * Math.PI + Math.PI * .5) * r
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const y = Math.sin(offset * Math.PI + Math.PI * .5) * r
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if (this.selectedIndex == initiative_idx) {
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el.classList.add('selected');
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el.style.top = `${centerY}px`;
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el.style.left = `${centerX}px`;
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} else {
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el.style.top = `${centerY + y}px`;
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el.style.left = `${centerX + x}px`;
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el.classList.remove('selected')
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}
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this.offsetsEls[initiative_idx].style.strokeDashoffset = similarity * 100;
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this.offsetsEls[initiative_idx].style.opacity = similarity;
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});
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}
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}
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var map;
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document.addEventListener("DOMContentLoaded", (event) => {
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map = new Map(document.getElementById('map'), document.getElementById('lines'));
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map.init()
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});
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</script>
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</head>
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<body>
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<div class="about">This map was created by Ruben van de Ven for the <em>Mapping Movements</em> pressure cooker,
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organised by Creative Coding Utrecht for the Copernicus Institute of the Utrecht University.</div>
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<div id="map"></div>
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<svg reserveaspectratio="xMinYMid meet" viewBox="0,-100,200,200" id="lines"></svg>
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</body>
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</html>
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