the non dominated sorting to select first 10 from population of 20? here we have three parameters to be checked given row-wise

a=[1182,1258,1190,1267,1383,1288,1246,1257,1337,1182,1344,1336,1279,1300,1416,1334,1341,1236,1281,1419; 5562,5816,5653,5715,5990,5794,5732,5832,5963,5597,6060,6008,6079,6204,6218,5864,6153,5748,5940,6094; 6824.40000000000,7231.80000000000,4966.40000000000,6700.40000000000,13603.6000000000,6089,9654.80000000000, 6346.40000000000,11068,4815.60000000000,15541.2000000000,9466,7615,11555.4000000000,22929.2000000000,9403.80000000000, 12185.2000000000,6312,9319.20000000000,21073];

please give a coding to do that....