/------------------------------------------------------------------- GSVIVT01029942001/17-77  (1)
      |                                                                               
      |------------------------------------------------------------------- GSVIVT01021144001/55-115 (2)
      |                                                                               
      |                                 /--------------------------------- GSVIVT01025075001/7-66   (3)
      |                                 |                                             
      |                                 |               /----------------- GSVIVT01008424001/77-136 (4)
      +                                 |-------98------+                             
      |                                 |               \----------------- GSVIVT01011738001/85-144 (7)
      |                /-------100------+                                             
      |                |                |--------------------------------- GSVIVT01018787001/35-96  (8)
      |                |                |                                             
      |                |                |--------------------------------- GSVIVT01009453001/77-136 (9)
      |                |                |                                             
      \-------100------+                \--------------------------------- GSVIVT01016360001/25-86  (11)
                       |                                                              
                       |                                /----------------- GSVIVT01026636001/60-120 (5)
                       |                /-------79------+                             
                       |                |               \----------------- GSVIVT01026638001/63-123 (6)
                       \-------100------+                                             
                                        \--------------------------------- GSVIVT01013388001/96-156 (10)
                                                                                      

      /------------------------------------------------------------------- GSVIVT01016360001 (1)
      |                                                                               
      |------------------------------------------------------------------- GSVIVT01025075001 (8)
      |                                                                               
      |                                                     /------------- GSVIVT01026636001 (2)
      |                                       /------68-----+                         
      |                                       |             \------------- GSVIVT01026638001 (9)
      |                          /-----100----+                                       
      +                          |            \--------------------------- GSVIVT01013388001 (11)
      |            /------65-----+                                                    
      |            |             |                          /------------- GSVIVT01029942001 (4)
      |            |             \------------100-----------+                         
      |            |                                        \------------- GSVIVT01021144001 (7)
      |            |                                                                  
      |            |                                        /------------- GSVIVT01008424001 (3)
      \-----68-----+                          /-----100-----+                         
                   |                          |             \------------- GSVIVT01011738001 (5)
                   |------------94------------+                                       
                   |                          \--------------------------- GSVIVT01009453001 (6)
                   |                                                                  
                   \------------------------------------------------------ GSVIVT01018787001 (10)