# NOT RUN {
   fsbrain::download_optional_data();
   subjects_dir = fsbrain::get_optional_data_filepath("subjects_dir");
   color_lh = '#ff0000';
   num_verts_subject1_rh = 153333;
   color_rh = rep('#333333', num_verts_subject1_rh);
   color_rh[1:30000] = '#00ff00';
   color_rh[30001:60000] = '#ff0000';
   color_rh[60001:90000] = '#0000ff';
   color_rh[90001:120000] = '#ffff00';
   color_rh[120001:150000] = '#00ffff';
   vis.color.on.subject(subjects_dir, 'subject1', color_lh, color_rh);
# }
# NOT RUN {
# }
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