span>, <span class='kw'>shape</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='fl'>4</span>, <span class='fl'>4</span>),
  <span class='kw'>goal.states</span> <span class='kw'>=</span> <span class='fl'>15</span>, <span class='kw'>initial.state</span> <span class='kw'>=</span> <span class='fl'>0</span>)
<span class='no'>grid</span>$<span class='fu'>visualize</span>()</div><div class='output co'>#&gt;  o - - - 
#&gt;  - - - - 
#&gt;  - - - - 
#&gt;  - - - - </div><div class='output co'>