Y \ X
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
2600
2599
2598
2597
2596
2595
2594
2593
2592
2591
2590
2589
2588
2587
2586
2585
2584
2583
2582
2581
2580