item	id	pickup_x	pickup_y	deliver_x	deliver_y
envelope 1  13745   55419   13883   55756
envelope 2  8406    53246   13937   55854
envelope 3  15738   57396   35996   79499
envelope 4  12045   60418   19349   57118
envelope 5  13750   56416   35733   78403
envelope 6  13190   57068   11860   59749
envelope 7  15021   55768   14098   57379
envelope 8  11513   58543   11501   59683
envelope 9  12013   64155   14120   59301
envelope 10 15006   57578   35511   78426
envelope 11 11450   58819   11916   58338
envelope 12 13728   56304   35524   79013
envelope 13 15104   60923   17937   57066
envelope 14 11373   58388   13983   53804
envelope 15 18575   55186   18718   54381
envelope 16 11639   50071   17363   58375
envelope 17 11273   53410   10860   60441
envelope 18 13766   59041   13963   57769
envelope 19 16138   55801   16183   56024
envelope 20 13728   56146   14301   61694
envelope 21 12848   57059   13586   59734
envelope 22 13645   56488   13955   55859
envelope 23 12896   56838   13937   55908
envelope 24 13341   58150   35709   78924
envelope 25 13483   57303   13614   57820
envelope 26 12741   63478   15230   59838
envelope 27 14676   51691   16501   48361
envelope 28 13748   54933   14120   56110
envelope 29 17875   59565   20453   61903
envelope 30 9772    56424   6404    55601