n><span>{ </span><span style=color:#5597d6;>arr</span><span style=color:#72ab00;>[</span><span style=color:#d07711;>"=" </span><span style=color:#5597d6;>$0</span><span style=color:#72ab00;>]</span><span>; </span><span style=color:#72ab00;>next</span><span> }
</span><span>
</span><span style=color:#5597d6;>$3</span><span style=color:#72ab00;>==</span><span style=color:#d07711;>"direction=2,"</span><span>{
</span><span>    </span><span style=color:#72ab00;>for</span><span>(</span><span style=color:#5597d6;>i