<sequence values="FUOZGWNR">

<prl in="***/*F*/***" out="***/*U*/***"/>

<prl in="U" out="F" p="0.435" steps="1"/>

<convolution neighborhood="Moore">

<rule in="U" out="F" sum="5..8" values="F"/>

<rule in="F" out="U" sum="6..8" values="U"/>

</convolution>

<all in="UF/FU" out="UU/FU"/>

<one in="F" out="O" steps="1"><field for="O" from="U" on="F"/></one>

<one in="FFFFFFF/FFFFFFF/FFFFFFF/FFFFFFF/FFFFFFF/FFFFFFF/FFFFFFF" out="*******/*******/*******/***G***/*******/*******/*******" steps="1"><field for="G" from="O" on="F"/></one>

<one>

<rule in="OF" out="NO"/>

<rule in="OU" out="NZ"/>

<rule in="RU" out="WZ"/>

<rule in="RF" out="WO"/>

<rule in="Z" out="R"/>

<observe value="G" from="F" to="O"/>

<observe value="F" to="FN"/>

<observe value="U" to="UW"/>

<observe value="O" to="N"/>

</one>

</sequence>

<!--

Finds the shortest path in the rugged terrain. Moving through lakes is 2 times slower than moving through plains. See also SnellLaw.xml.

-->