diff --git a/2021/d05/ex1/input b/2021/d05/ex1/input
new file mode 100644
index 0000000..abdeeb9
--- /dev/null
+++ b/2021/d05/ex1/input
@@ -0,0 +1,500 @@
+284,294 -> 733,743
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+561,848 -> 561,181
+836,102 -> 836,339
+946,941 -> 22,17
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+965,108 -> 527,108
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+632,206 -> 798,40
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+256,889 -> 11,644
+835,52 -> 55,832
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+866,892 -> 866,916
+827,946 -> 30,149
+899,84 -> 177,806
+134,634 -> 357,634
+781,492 -> 244,492
+817,762 -> 817,976
+818,749 -> 818,860
+262,480 -> 263,480
+409,576 -> 409,698
+242,151 -> 981,890
+149,519 -> 149,557
+42,990 -> 42,930
+687,974 -> 50,337
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+760,861 -> 760,934
+17,835 -> 17,915
+645,923 -> 645,648
+702,116 -> 72,746
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+640,435 -> 676,435
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+95,329 -> 942,329
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+28,295 -> 638,905
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+12,53 -> 945,986
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+159,832 -> 109,832
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+645,16 -> 645,355
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+523,804 -> 473,754
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+288,564 -> 55,797
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+163,163 -> 961,961
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+623,625 -> 32,34
+865,343 -> 490,718
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+944,660 -> 944,176
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+15,702 -> 15,553
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+825,13 -> 825,245
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+39,264 -> 806,264
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+974,807 -> 974,707
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+231,620 -> 231,646
+979,869 -> 979,911
+450,330 -> 450,79
+675,659 -> 617,659
+66,181 -> 66,723
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+908,334 -> 908,526
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+777,791 -> 127,141
+469,58 -> 694,58
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+957,957 -> 123,123
+741,359 -> 741,986
+763,526 -> 763,101
+857,427 -> 600,170
+527,756 -> 490,719
+625,249 -> 397,249
+798,702 -> 712,702
+868,75 -> 868,853
+332,296 -> 332,629
+211,829 -> 100,940
+12,139 -> 12,218
+655,978 -> 655,242
+99,852 -> 855,96
+486,267 -> 486,855
+474,90 -> 474,244
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+860,936 -> 860,556
+143,790 -> 143,26
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+739,301 -> 739,44
+384,716 -> 748,716
+848,423 -> 848,923
+855,23 -> 218,660
+381,805 -> 381,438
+451,610 -> 91,610
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+118,675 -> 169,675
+836,818 -> 95,818
+368,945 -> 825,488
+165,299 -> 899,299
+392,327 -> 926,861
+663,16 -> 131,548
+630,302 -> 888,302
+206,869 -> 206,331
+979,413 -> 979,204
+894,860 -> 62,28
+444,897 -> 962,379
+550,158 -> 550,885
+845,736 -> 811,736
+846,857 -> 12,857
+981,730 -> 981,154
+694,835 -> 88,835
+21,101 -> 21,385
+19,960 -> 964,15
+283,721 -> 450,721
+59,136 -> 758,835
+287,313 -> 719,313
+471,252 -> 849,630
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+10,921 -> 774,157
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+983,988 -> 105,110
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+808,165 -> 939,165
+546,525 -> 95,976
+583,179 -> 373,389
+235,816 -> 840,816
+744,89 -> 832,89
+425,317 -> 465,357
+267,235 -> 114,82
+887,59 -> 572,374
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+431,352 -> 400,383
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+249,218 -> 989,958
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+910,524 -> 910,725
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+85,79 -> 682,676
+425,431 -> 117,739
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+28,75 -> 431,478
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+81,238 -> 561,718
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+27,10 -> 980,963
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+548,743 -> 22,217
+903,297 -> 903,763
+684,774 -> 64,154
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+422,211 -> 422,826
+10,196 -> 988,196
+108,802 -> 15,802
+104,70 -> 104,452
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+68,854 -> 68,774
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+657,986 -> 617,986
+732,292 -> 732,32
+841,56 -> 841,83
+74,108 -> 862,896
+654,895 -> 323,895
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+90,723 -> 750,63
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+983,988 -> 23,28
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+53,243 -> 449,639
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+26,672 -> 26,699
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+76,293 -> 103,293
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+19,858 -> 832,858
+726,531 -> 726,578
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+968,840 -> 123,840
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+979,580 -> 979,459
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+653,899 -> 653,90
+488,874 -> 488,570
+93,879 -> 645,327
+320,658 -> 40,938
+611,246 -> 611,22
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+959,984 -> 32,57
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+148,755 -> 451,755
+636,494 -> 870,494
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