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
7520
7519
7518
7517
7516
7515
7514
7513
7512
7511
7510
7509
7508
7507
7506
7505
7504
7503
7502
7501
7500