js-slider/unit_21.html

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    <title>Unit 20</title>
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                <img src="img/1.png" data-text="Картинка 1" alt="#" class="img-12-min active-img">
                <img src="img/2.png" data-text="Картинка 2" alt="#" class="img-12-min">
                <img src="img/3.png" data-text="Картинка 3" alt="#" class="img-12-min">
                <img src="img/4.png" data-text="Картинка 4" alt="#" class="img-12-min">
                <img src="img/5.png" data-text="Картинка 5" alt="#" class="img-12-min">
                <img src="img/6.png" data-text="Картинка 6" alt="#" class="img-12-min">
            </div>
            <div class="div-12-max">
                <img src="img/1.png" alt="#" class="img-12-max">
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            <p class="img-12-text">Картинка 1</p>
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