You are looking at GSB 217. 
__________   __________ __________   __________ __________   __________ __________
----------   ---------- ----------   ---------- ----------   ---------- ----------
  gsb001       gsb002     gsb003       gsb004     gsb005       gsb006     gsb007

__________   __________ __________   __________ __________   __________ __________
----------   ---------- ----------   ---------- ----------   ---------- ----------
  gsb008       gsb009     gsb010       gsb011     gsb012       gsb013     gsb014


             __________ __________   __________ __________   __________ __________
             ---------- ----------   ---------- ----------   ---------- ----------
               gsb015     gsb016       gsb017     gsb018       gsb019     gsb020

You can also see CAB 430, CAB 476, or obtain more information about this script.