# ordered contour from manual segmentation
#  x    y
  14   18
  15   18
  16   18
  17   19
  18   19
  19   19
  20   19
  21   19
  22   20
  23   21
  23   22
  24   23
  25   24
  25   25
  26   26
  26   27
  26   28
  26   29
  26   30
  26   31
  26   32
  26   33
  25   34
  25   35
  24   36
  23   36
  22   37
  21   37
  20   38
  19   38
  18   38
  17   38
  16   38
  15   37
  14   36
  13   35
  12   34
  11   33
  10   32
   9   32
   9   31
   9   30
   9   29
   9   28
   9   27
   9   26
   9   25
   9   24
   9   23
  10   22
  10   21
  11   20
  12   19
  13   19
