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
9940
9939
9938
9937
9936
9935
9934
9933
9932
9931
9930
9929
9928
9927
9926
9925
9924
9923
9922
9921
9920