AFNI program:  @SurfSmooth.HEAT_07.examples 
Output of -help
Usage: @SurfSmooth.HEAT_07.examples <path_to_suma_demo>
A script to illustrate controlled blurring of data on the surface.
Requires the contents of archive:
    https://afni.nimh.nih.gov/pub/dist/edu/data/SUMA_demo.tgz
If you don't have suma_demo, run the following commands
   curl -O https://afni.nimh.nih.gov/pub/dist/edu/data/SUMA_demo.tgz
   tar xvzf SUMA_demo.tgz
Then run:
   @SurfSmooth.HEAT_07.examples suma_demo
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