$                          
                                        
                                        
                                        
                                        
                                        
                                ####+## 
                                #.....# 
                                #.<...# 
                                #.....# 
                                #.C...# 
                                #.....# 
                                #......#
                                #......#
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                                +......#
                                        
                                        
                                        
                                        
                                 ∩      
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
$