/------------------------------------------------------------------- GSVIVT01009821001/54-92 (1)
      |                                                                               
      |------------------------------------------------------------------- GSVIVT01024204001/56-93 (12)
      |                                                                               
      |                                                       /----------- GSVIVT01014097001/4-47  (2)
      |                                            /----63----+                       
      |                                            |          \----------- GSVIVT01037095001/4-47  (9)
      |                                            |                                  
      |                                            |          /----------- GSVIVT01009821001/4-43  (6)
      |                                 /----97----+----100---+                       
      +                                 |          |          \----------- GSVIVT01024204001/4-43  (10)
      |                                 |          |                                  
      |                     /-----91----+          \---------------------- GSVIVT01010794001/4-44  (7)
      |                     |           |                                             
      |                     |           |                     /----------- GSVIVT01018818001/4-33  (5)
      |                     |           \----------59---------+                       
      |          /----97----+                                 \----------- GSVIVT01024173001/4-33  (14)
      |          |          |                                                         
      |          |          |                                 /----------- GSVIVT01018818001/52-91 (11)
      |          |          \---------------100---------------+                       
      \----61----+                                            \----------- GSVIVT01024173001/52-91 (13)
                 |                                                                    
                 |                                 /---------------------- GSVIVT01010794001/53-94 (3)
                 |                                 |                                  
                 \----------------72---------------+          /----------- GSVIVT01014097001/52-90 (4)
                                                   \----97----+                       
                                                              \----------- GSVIVT01037095001/58-99 (8)
                                                                                      

      /-------------------------------------------------------------------- GSVIVT01010794001 (1)
      |                                                                               
      |                                            /----------------------- GSVIVT01024204001 (3)
      |---------------------100--------------------+                                  
      |                                            \----------------------- GSVIVT01009821001 (7)
      +                                                                               
      |                                            /----------------------- GSVIVT01018818001 (2)
      |                      /---------100---------+                                  
      |                      |                     \----------------------- GSVIVT01024173001 (4)
      \----------60----------+                                                        
                             |                     /----------------------- GSVIVT01014097001 (5)
                             \----------95---------+                                  
                                                   \----------------------- GSVIVT01037095001 (6)