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
9990
9989
9988
9987
9986
9985
9984
9983
9982
9981
9980
9979
9978
9977
9976
9975
9974
9973
9972
9971
9970