/------------------------------------------------------------------- Pgl004913/251-302 (1)
      |                                                                               
      |------------------------------------------------------------------- Pgl005709/101-157 (5)
      |                                                                               
      |                                                 /----------------- Pgl010746/25-84   (3)
      |                                 /-------68------+                             
      |                                 |               \----------------- Pgl003073/13-75   (12)
      |                /-------98-------+                                             
      |                |                \--------------------------------- Pgl004265/41-59   (4)
      |-------83-------+                                                              
      +                \-------------------------------------------------- Pgl016993/141-181 (6)
      |                                                                               
      |                                                 /----------------- Pgl003975/9-64    (7)
      |------------------------78-----------------------+                             
      |                                                 \----------------- Pgl016927/23-78   (9)
      |                                                                               
      |                                 /--------------------------------- Pgl014087/25-80   (2)
      |                                 |                                             
      |                /-------100------+               /----------------- Pgl010875/83-138  (8)
      |                |                \-------96------+                             
      \-------70-------+                                \----------------- Pgl017985/49-99   (11)
                       |                                                              
                       \-------------------------------------------------- Pgl015942/169-207 (10)
                                                                                      

      /------------------------------------------------------------------- Pgl010746 (1)
      |                                                                               
      |------------------------------------------------------------------- Pgl003073 (7)
      |                                                                               
      |------------------------------------------------------------------- Pgl004265 (10)
      |                                                                               
      |                  /------------------------------------------------ Pgl016993 (2)
      |                  |                                                            
      |                  |                  /----------------------------- Pgl015942 (3)
      +                  |                  |                                         
      |                  |         /---78---+         /------------------- Pgl014087 (4)
      |         /---94---+         |        |         |                               
      |         |        |         |        \----69---+        /---------- Pgl017985 (5)
      |         |        |         |                  \---51---+                      
      |         |        |         |                           \---------- Pgl010875 (11)
      |         |        \----89---+                                                  
      |         |                  |                           /---------- Pgl016927 (6)
      \----53---+                  |                  /---100--+                      
                |                  |                  |        \---------- Pgl003975 (9)
                |                  \--------57--------+                               
                |                                     \------------------- Pgl005709 (8)
                |                                                                     
                \--------------------------------------------------------- Pgl004913 (12)