    Corner order (clockwise):</span>&nbsp;</span><span class="r"></span></p>
    <p class="pln"><span class="n"><a id="t52" href="#t52">52</a></span><span class="t"><span class="str">                c0 = top-left</span>&nbsp;</span><span class="r"></span></p>
    <p class="pln"><span class="n"><a id="t53" href="#t53">53</a></span><span class="t"><span class="str">                c1 = top-right</span>&nbsp;</span><span class="r"></span></p>
    <p class="pln"><span class="n"><a id="t54" href="#t54">54</a></s