0036"></a><span class="lineno">   36</span>&#160;<span class="keyword">enum</span> QSides{</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    UP,</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    RIGHT,</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    DOWN,</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    LEFT,</div>
<div class="line"><a name="l00041"></a><