[29563] | 1 | <!DOCTYPE html>
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[29533] | 2 | <html>
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[29562] | 3 | <head>
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| 4 | </head>
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[29561] | 5 |
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[29562] | 6 |
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| 7 | <body>
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| 8 |
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| 9 | <div style="display: none;">
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| 10 |
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[29561] | 11 | <script>
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| 12 | // Set up a fallback position in case this page is accessed outside of a JSP context
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| 13 | // (i.e., the JSP blocks aren't executed)
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| 14 | var img_list = [ "Images/nz.gif" ];
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| 15 | </script>
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| 16 |
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[29533] | 17 | <%@ page import="java.io.*,java.util.*,java.awt.image.*,javax.imageio.*" %>
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| 18 |
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| 19 | <%!
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| 20 | public int GCD(int a, int b) {
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| 21 | if (b==0) return a;
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| 22 | return GCD(b,a%b);
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| 23 | }
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| 24 |
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| 25 | ArrayList<File> listFilesForFolder(final File folder, String matchExt) {
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| 26 | ArrayList<File> fileList = new ArrayList<File>();
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| 27 |
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| 28 | for (final File fileEntry : folder.listFiles()) {
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| 29 | if (fileEntry.isDirectory()) {
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| 30 | listFilesForFolder(fileEntry,matchExt);
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| 31 | } else {
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| 32 | if (fileEntry.getName().toLowerCase().endsWith(matchExt)) {
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| 33 | fileList.add(fileEntry);
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| 34 | }
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| 35 | }
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| 36 | }
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| 37 |
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| 38 | return fileList;
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| 39 | }
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| 40 |
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| 41 |
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| 42 |
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| 43 | public static Map<String, Integer> sortByComparator(Map<String, Integer> unsortMap)
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| 44 | {
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| 45 |
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| 46 | // Convert Map to List
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| 47 | List<Map.Entry<String, Integer>> list
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| 48 | = new LinkedList<Map.Entry<String, Integer>>(unsortMap.entrySet());
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| 49 |
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| 50 | // Sort list with comparator, to compare the Map values
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| 51 | Collections.sort(list, new Comparator<Map.Entry<String, Integer>>() {
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| 52 | public int compare(Map.Entry<String, Integer> o1,
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| 53 | Map.Entry<String, Integer> o2) {
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| 54 | return (o2.getValue()).compareTo(o1.getValue());
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| 55 | }
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| 56 | });
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| 57 |
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| 58 | // Convert sorted map back to a Map
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| 59 | Map<String, Integer> sortedMap = new LinkedHashMap<String, Integer>();
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| 60 | for (Iterator<Map.Entry<String, Integer>> it = list.iterator(); it.hasNext();) {
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| 61 | Map.Entry<String, Integer> entry = it.next();
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| 62 | sortedMap.put(entry.getKey(), entry.getValue());
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| 63 | }
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| 64 |
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| 65 | return sortedMap;
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| 66 | }
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| 67 | /*
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| 68 | public static void printMap(Map<String, Integer> map)
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| 69 | {
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| 70 | for (Map.Entry<String, Integer> entry : map.entrySet()) {
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| 71 | out.println("[Key] : " + entry.getKey()
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| 72 | + " [Value] : " + entry.getValue() + "br />");
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| 73 | }
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| 74 | }
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| 75 | */
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| 76 |
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| 77 |
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| 78 | %>
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| 79 |
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[29561] | 80 |
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[29533] | 81 | <%
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| 82 |
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| 83 | String docBase = getServletContext().getRealPath("/");
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| 84 | File similarityDir = new File(docBase,"similarity-2d");
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| 85 | File imagesDir = new File(similarityDir,"Images");
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| 86 |
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| 87 | ArrayList<File> imageFileList = listFilesForFolder(imagesDir,".gif");
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| 88 |
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| 89 | File imageUrlBase = new File("Images");
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| 90 |
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| 91 | String action = request.getParameter("action");
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| 92 |
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[29537] | 93 | if ((action != null) && action.equals("ratios")) {
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[29533] | 94 |
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| 95 | Map<String, Integer> ratioFreq = new HashMap<String, Integer>();
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| 96 | Map<String, ArrayList<File>> ratioList = new HashMap<String, ArrayList<File>>();
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| 97 |
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| 98 | for (final File fileEntry : imageFileList) {
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| 99 |
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| 100 | //out.println("flag " + fileEntry.getName());
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| 101 |
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| 102 | BufferedImage bimg = ImageIO.read(fileEntry);
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| 103 | int width = bimg.getWidth();
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| 104 | int height = bimg.getHeight();
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| 105 | int gcd = GCD(width,height);
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| 106 |
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| 107 | int gcd_width = width / gcd;
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| 108 | int gcd_height = height / gcd;
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| 109 | String ratioStr = gcd_width + ":" + gcd_height;
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| 110 |
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| 111 | if (!ratioFreq.containsKey(ratioStr)) {
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| 112 | ratioFreq.put(ratioStr,1);
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| 113 | ratioList.put(ratioStr,new ArrayList<File>());
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| 114 | }
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| 115 | else {
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| 116 | ratioFreq.put(ratioStr,ratioFreq.get(ratioStr)+1);
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| 117 | ratioList.get(ratioStr).add(fileEntry);
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| 118 | }
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| 119 |
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| 120 | //double ratio = (double)width/(double)height;
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| 121 |
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| 122 | //out.println(width + " x " + height + " ratio: " + ratioStr);
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| 123 | //out.println("<br/>");
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| 124 |
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| 125 |
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| 126 | }
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| 127 |
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| 128 | Map<String, Integer> sortedRatioFreq = sortByComparator(ratioFreq);
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| 129 | //printMap(sortedRatioFreq);
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| 130 | for (Map.Entry<String, Integer> entry : sortedRatioFreq.entrySet()) {
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| 131 | out.println("[Key] : " + entry.getKey()
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| 132 | + " [Value] : " + entry.getValue() + "<br />");
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| 133 | }
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| 134 |
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| 135 | /*
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| 136 | // Print out frequency counts
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| 137 | Iterator<String> keyIterator = ratioFreq.keySet().iterator();
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| 138 |
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| 139 | while (keyIterator.hasNext()){
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| 140 | String key = keyIterator.next();
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| 141 | Integer freq = ratioFreq.get(key);
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| 142 | out.println(key + ": " + freq + "<br />");
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| 143 | }
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| 144 | */
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| 145 |
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| 146 | }
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| 147 | else {
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[29561] | 148 | out.println("<script>");
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| 149 | out.println("var dynamic_img_list = [ ");
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| 150 | boolean first_entry = true;
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[29533] | 151 | for (final File fileEntry : imageFileList) {
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[29537] | 152 | String flagImageUrl = imageUrlBase + "/" + fileEntry.getName();
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[29533] | 153 |
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[29561] | 154 | //out.println("<img src=\"" + flagImageUrl + "\">");
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| 155 | if (first_entry) {
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| 156 | out.println("\"" + flagImageUrl + "\"");
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| 157 | first_entry = false;
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| 158 | }
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| 159 | else {
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| 160 | out.println(",\"" + flagImageUrl + "\"");
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| 161 | }
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| 162 | }
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| 163 | out.println("];");
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[29533] | 164 |
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[29561] | 165 | out.println("img_list = dynamic_img_list;");
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| 166 |
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| 167 | out.println("</script>");
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[29533] | 168 | }
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| 169 |
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| 170 |
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| 171 | %>
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| 172 |
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[29562] | 173 | </div>
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[29561] | 174 |
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| 175 | <script>
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| 176 |
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| 177 | var i;
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| 178 | for (i=0; i<img_list.length; i++) {
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| 179 | document.write("<img src=\"" + img_list[i] + "\" style=\"padding: 4px;\">\n");
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| 180 | }
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| 181 |
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| 182 | </script>
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| 183 |
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[29533] | 184 | </body>
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| 185 |
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[29537] | 186 | </html>
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