keywordtype">char</span> twin[32] = {</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    0, 20, 2, 7, 4, 5, 6, 3,</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;    8,  9, 10, 11, 12, 13, 14, 15,</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;    16, 17, 18, 19, 1, 21, 22, 23,</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;    24, 25, 26, 27, 28, 29, 30, 31</div><di