# ordered contour from manual segmentation
#  x    y
  29    1
  30    1
  31    1
  32    1
  33    2
  34    3
  34    4
  35    5
  35    6
  35    7
  35    8
  35    9
  34   10
  34   11
  33   12
  33   13
  32   14
  31   15
  30   16
  29   17
  28   17
  27   17
  26   18
  25   18
  24   18
  23   18
  22   18
  21   17
  20   17
  19   16
  18   16
  17   15
  17   14
  17   13
  16   12
  16   11
  16   10
  16    9
  16    8
  16    7
  17    6
  17    5
  17    4
  18    3
  19    3
  20    3
  21    3
  22    3
  23    3
  24    3
  25    2
  26    2
  27    2
  28    2
