n class="fl">4</span>, <span class="fl">3</span>, <span class="fl">2</span>,</span>
<span>               <span class="fl">3</span>, <span class="fl">4</span>, <span class="fl">1</span>, <span class="fl">2</span>,</span>
<span>               <span class="fl">1</span>, <span class="fl">3</span>, <span class="fl">2</span>, <span class="fl">4</span>,</span>
<span>               <span class="fl">2</span>, <span class="fl">3</span>, <span class="fl">4</span>, <span class="fl">1</span><span class="op">)</span>, nr