"y", "x1", "x2"
  17, 151, 0
  26, 92, 0
  21, 175, 0
  30, 31, 0
  22, 104, 0
   0, 277, 0
  12, 210, 0
  19, 120, 0
   4, 290, 0
  16, 238, 0
  28, 164, 1
  15, 272, 1
  11, 295, 1
  38, 68, 1
  31, 85, 1
  21, 224, 1
  20, 166, 1
  13, 305, 1
  30, 124, 1
  14, 246, 1