/------------------------------------------------------------------- 335316/88-148 (1)
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      |------------------------------------------------------------------- 312981/77-137 (6)
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      |                     |                      |          /----------- 869709/53-113 (10)
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      |          /----100---+           |--------------------------------- 900150/37-97  (4)
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      |          |          |           |          /---------------------- 481772/6-66   (5)
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      |          |          |           |----67----+          /----------- 349845/26-87  (7)
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      |          |          \----100----+                     \----------- 478466/24-85  (16)
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      \----100---+                      |--------------------------------- 484068/60-118 (8)
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                 |                      |                     /----------- 479288/75-134 (9)
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                 |                      \--------------------------------- 886163/13-72  (12)
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                 \-------------------------------------------------------- 912822/97-157 (15)
                                                                                      

      /------------------------------------------------------------------- 869709 (1)
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      |------------------------------------------------------------------- 916845 (11)
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      |                                                   /--------------- 484068 (2)
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      |                                            /--98--+       /------- 479288 (12)
      |                                            |      \--100--+                   
      |                                            |              \------- 497288 (13)
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      |                                    /---51--+              /------- 349845 (3)
      |                                    |       |------100-----+                   
      |                                    |       |              \------- 478466 (16)
      +                             /--64--+       |                                  
      |                             |      |       \---------------------- 886163 (6)
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      |                     /---97--+      \------------------------------ 481772 (9)
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      |              /--100-+       \------------------------------------- 891479 (8)
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      |              |      \--------------------------------------------- 900150 (7)
      |              |                                                                
      |      /--100--+                                            /------- 312981 (4)
      |      |       |                                    /--100--+                   
      |      |       |                                    |       \------- 335316 (10)
      |      |       \-----------------100----------------+                           
      \--100-+                                            \--------------- 912822 (14)
             |                                                                        
             |                                                    /------- 477611 (5)
             \-------------------------100------------------------+                   
                                                                  \------- 862185 (15)