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    <div id="content">
      <div id="study-tool-editor" class="content-block loading">
        <h2 id="custom-vocab-practice" class="title center">ツール - カスタム単語の練習</h2>
        <p>Welcome to the custom vocabulary practice tool! Here you will be able to setup your own set of words to practice. First insert a couple of words you want to practice. Once you've got your word list setup, click the "Study" button to begin practicing your custom vocabulary.</p>
        
       