/-------------------------------------------------------------------- Sphfalx0188s0014.1.p/147-254 (1)
      |                                                                               
      |-------------------------------------------------------------------- Sphfalx0067s0096.1.p/167-293 (5)
      |                                                                               
      +                                            /----------------------- Sphfalx0023s0122.1.p/90-325  (2)
      |                      /---------100---------+                                  
      |                      |                     \----------------------- Sphfalx0231s0014.1.p/94-221  (4)
      \----------80----------+                                                        
                             \--------------------------------------------- Sphfalx0001s0381.1.p/152-276 (3)
                                                                                      

      /-------------------------------------------------------------------- Sphfalx0231s0014.1.p (1)
      |                                                                               
      |-------------------------------------------------------------------- Sphfalx0023s0122.1.p (3)
      |                                                                               
      +                                            /----------------------- Sphfalx0188s0014.1.p (2)
      |                      /---------100---------+                                  
      |                      |                     \----------------------- Sphfalx0001s0381.1.p (5)
      \----------100---------+                                                        
                             \--------------------------------------------- Sphfalx0067s0096.1.p (4)