   
  f                       9x1                       9  logical              
  faceColors              1x1                    1904  struct               
  gi                      1x1                       8  double               
  graphdir                1x10                     20  char                 
  graphs                  1x5                     642  cell                 
  i                       1x1                       8  double               
  ind                     1x1                 