although后面可以加两个分句吗,都是作为让步从句

although后面可以加两个分句吗,都是作为让步从句
比如,我想说“她虽然年轻,虽然这件事很难,但是她可以做好”的话,我想用although连接,我是翻译成:Although she is young,and the thing is difficult,she can do it well 还是:Although she is young,although the thing is difficult,she can do it well?
不知道although后面能不能加两个句子.