Replay the graphs with a template to create one graph. The graphs stored in SASUSER.EXCAT are replayed to create one graph. The graph is also stored in the SASUSER.EXCAT catalog.

proc greplay gout=sasuser.excat igout=sasuser.excat nofs
   tc=sashelp.templt template=l2r2;
   device win;
   treplay 1:gchart 2:gchart1 3:gchart2 4:gplot;
quit;