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You tried going to /forums/sujets/%e5%8d%a1%e5%b0%9a%e9%ab%98%e7%ad%89%e5%b8%88%e8%8c%83%e5%ad%a6%e9%99%a2%e6%96%87%e5%87%adq%e5%be%ae501479313-%e8%b4%ad%e4%b9%b0ecole-normale-superieure-de-cachan%e6%af%95%e4%b8%9a%e8%af%81%e6%88%90-3/ but the page no longer exists. All is not lost! Perhaps searching, or one of the links below, can help.