Some data

Y,L,C
630813.8,1073.8,1487427
412481.1,385.9,1886666
890166.5,502.3,2287521
602306.7,468.3,2071002
955951.6,794.4,2858983
397714.3,572.6,1812903
537434.6,692.1,2000453
961413.3,1176.5,2620585
630137.7,541.0,2824173
1.0025977e6,1140.0,4042520
1.9673004e7,7208.4,70029739
5.124594e6,3030.8,20604504
136927.4,213.4,961010
56570.5,72.7,350513
364555.6,476.7,1526075
249755.8,497.3,1143074
1.5456806e6,1090.2,4097950
171044.4,398.6,528349
519724.5,513.5,2114704
545109.4,517.4,2297839
279672.7,174.8,781855
92019.0,179.8,375261
1.1104151e6,1220.4,4113114
370255.9,606.2,1514275
202926.1,297.1,925743
2.5698107e6,2670.9,13982416
2.6922392e6,1415.0,4856289
233468.6,336.7,919268
496699.4,546.8,1595064
1.2245141e6,931.8,5112820
570380.0,575.2,2108045
213579.8,81.8,474377
5.1284391e6,4075.3,23768046
616909.0,398.4,2541482
331115.4,20.9,1079392
1.6219131e6,1682.4,5632296
273543.5,291.6,1334055
1.409192e6,1343.3,4857348
772954.7,950.4,1937734
1.1071553e6,888.9,3207320
265672.7,328.5,1112729
448975.5,627.2,1903098
1.4950118e6,1161.8,5873286
1.0667247e6,947.0,3587066
197129.6,300.4,818053
132235.6,184.2,459080
58976.8,84.6,175992
1.810091e6,1812.1,6522045
285832.2,393.4,1156759
718497.8,1202.8,1825758
73186.1,190.4,174926
88948.9,120.5,333220
325184.7,282.7,1187787
720665.3,398.8,4141376
469281.3,866.7,2839003
204080.8,318.2,929979
263349.2,419.1,1068465
1.2203198e6,467.0,3588703
173235.4,273.3,315379
2.7958506e6,1969.7,9066898
79211.5,102.5,209205
256250.8,231.1,884131
1.6377481e6,1995.8,6831010
436043.2,514.3,2268460
1.6879243e6,1617.4,6032634
811772.2,1151.3,3428386
1.1738948e6,260.4,3523653
2.5295493e6,2035.1,7944607
348061.5,457.2,1063572
827044.4,1315.7,3086148
354301.8,479.9,1567697
485166.6,648.9,2627014
622805.3,511.9,1645400
681612.3,763.4,2577947
1.2554662e6,697.5,3819232
721345.1,730.4,2269461
420318.4,587.9,1256128
802972.2,675.7,2954280
4.5630615e6,892.5,15309437
1.5455825e6,1779.5,5578384
241631.6,548.5,864942
339766.5,580.0,1500573
94884.3,30.0,212190
3.1005611e6,309.4,13937298
606820.7,614.7,2597524