http://code.activestate.com/recipes/tags/deque/popular/2012-06-06T14:38:21-07:00ActiveState Code Recipes2012-06-06T14:38:21-07:00Glenn Hutchingshttp://code.activestate.com/recipes/users/4175415/http://code.activestate.com/recipes/578159-state-tree/

<p style="color: grey"> Python recipe 578159 by <a href="/recipes/users/4175415/">Glenn Hutchings</a> (<a href="/recipes/tags/deque/">deque</a>). </p> <p>Explore a tree of states to find a goal state.</p>