0 0 1.36494 0 3.84615 3.16092 0 7.69231 5.29215 10 7.69231 7.42339 20 7.69231 9.86591 20 11.5385 12.3324 30 11.5385 15.0623 40 11.5385 18.1274 40 15.3846 21.7912 40 19.2308 25.6466 50 19.2308 31.3937 60 19.2308 37.3803 70 19.2308 43.8218 80 19.2308 56.5134 80 23.0769 78.2327 90 23.0769