Y \ X
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
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
12500
12499
12498
12497
12496
12495
12494
12493
12492
12491
12490
12489
12488
12487
12486
12485
12484
12483
12482
12481
12480