</div> <div class="2"> <div class="child1"></div> <div class="child2"></div> </div> <div class="3"> <div"> </div> <div class="2"> <div class="child1"></div> <div class="child2"></div> </div> <div class="3"> <div"> </div> <div class="2"> <div class="child1"></div> <div class="child2"></div> </div> <div class="3"> <div" />