+----+  +-----+  +-----+                             
                                                          |    |  |     |  |     |                             
                                                          |    |  |     |  |     |                             
                                                          |    |  |     |  |     |                             
                                                          |    |  |     |  |     |                             
                                                          +----+  +-----+  +-----+                             
                                                            |        |       |                                 
                                                            ||       |       |                                 
                                                             |||     |     |||                                 
                                                               |||+--+--+|||                                   
                                                                 ||     ||                                     
                                                                  |     |                                      
                                                                  |     |                                      
                                                                  |     |                                      
                                                                  +-----+                                      
                                                                                                               
                                            ||                                    ||                           
                                           ||                                      |                           
                                         ||                                        ||                          
                                        ||                                           |                         
                                 +------+--------------------------------------------+---+                     
                                 |      |                                         +--+--+|                     
                                 | +----+----+  +----------------------+          |     ||                     
                                 | | -       |  |                      |          |     ||                     
                                 | +----+----+  +----------------------+          |     ||                     
                                 |      |                                         |     ||                     
                                 |      |                                         +-----+|                     
                                 +------++-----------------------------------------------+        |            
                                         ||             |                                          |           
                                           ||           |                                          ||          
                                            ||                                                      ||         
                                                                                                     |         
                              |                 +----------------------------------------------------++        
                              |                 |                             +------------+          |        
                              |                 |                             |            |          |        
                              |                 |                             |            |          |        
                           +--+--+              |                             |            |          |        
                           |     |              |                             +  -  --     |          |        
                           +--++++              |                             |            |          |        
                          || ||||||             |                             |            |          |        
                        ||   | || ||            |                             |            |          |        
        |             ||     |  || |||          |                             +------------+          |        
       ||     ||     ||      |   |   ||  ||     +-+----+----+---------+-------+---------------+-------+        
      ||     ||      |       |   |    ||  ||      |    |    |         |       |               |                
     |       |       |       |    |    |   ||     |    |    |         |       |               |                
   ||      ||       ||       |    |    ||   ||   |    ||    |         |       |               |                
   |       |        |        |    ||     ||         |||    |          |       |               |                
   |       |        |        |     ||     |||     |||    ||           |       |               |     +-----+    
+--+--+  +-+--+  +--+--+  +--+-+  +--+---+  ++----+  +----+        +--+-+  +-----+        +------+  |     |    
|     |  |    |  |     |  |    |  |      |  |     |  |    |        |    |  |     |        |      |  |     |    
+-----+  +----+  +-----+  +----+  +------+  +--+--+  |    |        +----+  |     |        |      |  |     |    
                                              ||     +----+                +-----+        + -----+  +--+--+    
                                              |                                                         |      
                                              |                                                         |      
                                              |                                                         |      
                                              ||                                                        |      
                                     |         |                                                        |      
                                     |      +--+----------------------------------------+               |      
                                  +--+--+   | ++--+         +----+ +---+  +---+  +-----+|            +-----+   
                                  |     |   | |   |         |    | |   |  |   |  |     ||            |     |   
                                  |     |   | |   |         |    | |   |  |   |  |     ||            |     |   
                                  +++++++   | +---+         +----+ +---+  +---+  +-----+|            ++---++   
                                 || || ||   +-------------------------------------------+             |   |    
                                 |  ||  ||                                                 ||    |   |     |   
                                    |                                                      |    ||   |     |   
                                    |                                                     |    ||    |     |   
                                    |                                                    |     |    |      |   
                                    |                                                  |||    ||    |      |   
                                 +--+--+                                              ||     |     ||      |   
                                 |     |                                        +---||+-----++  +--+-+  +-----+
                                 |     |                                        |   | |      |  |    |  |     |
                                 |     |                                        |   | |      |  |    |  |     |
                                 |     |                                        +---+ +------+  +----+  |     |
                                 +-----+                                                                +--+--+
                                                                                                           |   
                                                                                                           |   
                                                                                                           |   
                                                                                                        +--+--+
                                                                                                        |     |
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                                                                                                        |     |
                                                                                                        |     |
                                                                                                        +-----+