 17
  10.0    100.0
  100.0   160.0
  160.0   1180.0
  1180.0  1273.0
  1273.0  1280.0
  1280.0  1301.0
  1301.0  1308.0
  1308.0  1320.0
  1320.0  1450.0
  1450.0  1520.0
  1520.0  1550.0
  1550.0  1670.0
  1670.0  2080.0
  2080.0  2220.0
  2220.0  2450.0
  2450.0  2750.0
  2750.0  2920.0
