/------------------------------------------------------------------- EMT18616/58-105  (1)
      |                                                                               
      |------------------------------------------------------------------- EMT30626/81-102  (4)
      |                                                                               
      |                          /---------------------------------------- EMT31506/192-262 (2)
      |                          |                                                    
      |                          |---------------------------------------- EMT26237/191-266 (3)
      |                          |                                                    
      |                          |                          /------------- EMT18615/32-62   (5)
      |                          |------------97------------+                         
      |                          |                          \------------- EMT11527/34-64   (7)
      |                          |                                                    
      +                          |                          /------------- EMT21456/62-139  (6)
      |                          |            /------99-----+                         
      |                          |            |             \------------- EMT28202/153-230 (16)
      |            /------50-----+-----83-----+                                       
      |            |             |            \--------------------------- EMT11716/117-192 (12)
      |            |             |                                                    
      |            |             |---------------------------------------- EMT26420/7-38    (9)
      |            |             |                                                    
      |            |             |---------------------------------------- EMT11741/30-106  (11)
      |            |             |                                                    
      |            |             |---------------------------------------- EMT25449/86-134  (13)
      |            |             |                                                    
      \-----85-----+             |---------------------------------------- EMT04311/36-86   (14)
                   |             |                                                    
                   |             \---------------------------------------- EMT13358/15-47   (15)
                   |                                                                  
                   |                                        /------------- EMT19900/76-151  (8)
                   |                          /------72-----+                         
                   |                          |             \------------- EMT21047/81-128  (17)
                   |                          |                                       
                   \------------91------------+--------------------------- EMT03959/58-134  (10)
                                              |                                       
                                              \--------------------------- EMT31299/181-257 (18)
                                                                                      

      /------------------------------------------------------------------- EMT19900 (1)
      |                                                                               
      |------------------------------------------------------------------- EMT21047 (2)
      |                                                                               
      |------------------------------------------------------------------- EMT25449 (9)
      |                                                                               
      |                                     /----------------------------- EMT13358 (3)
      |                                     |                                         
      |                                     |         /------------------- EMT31506 (7)
      |                                     |         |                               
      |                            /---65---+---100---+        /---------- EMT11741 (11)
      |                            |        |         \---92---+                      
      |                            |        |                  \---------- EMT04311 (17)
      |                  /----86---+        |                                         
      +                  |         |        \----------------------------- EMT18616 (12)
      |                  |         |                                                  
      |                  |         \-------------------------------------- EMT31299 (8)
      |                  |                                                            
      |                  |                            /------------------- EMT26420 (5)
      |         /---53---+                            |                               
      |         |        |         /--------100-------+        /---------- EMT11527 (6)
      |         |        |         |                  \---99---+                      
      |         |        |         |                           \---------- EMT18615 (14)
      |         |        |         |                                                  
      |         |        |         |                  /------------------- EMT21456 (10)
      |         |        \----69---+                  |                               
      |         |                  |        /----57---+        /---------- EMT11716 (15)
      \----99---+                  |        |         \---100--+                      
                |                  |        |                  \---------- EMT28202 (16)
                |                  \---54---+                                         
                |                           |                  /---------- EMT30626 (13)
                |                           \--------88--------+                      
                |                                              \---------- EMT26237 (18)
                |                                                                     
                \--------------------------------------------------------- EMT03959 (4)