Y \ X
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
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
7570
7569
7568
7567
7566
7565
7564
7563
7562
7561
7560
7559
7558
7557
7556
7555
7554
7553
7552
7551
7550