you show the man in grey your map.                                          x
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he agrees to allow you to pass in exchange for the map.                     x                                                                            
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                                                                            x🗺\O                                                                       
accept                                               0                      x   |\                                                                        
                                                    /|\=)                   x  / \     Õ                                                                     
decline (not a good idea)                           / \                     x         /|\                                                                   
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                                                                            x      Z                                                                      
                                                                            x     /|\                                                                       
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           _/_\_                                                            x                                                                            
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