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
12470
12469
12468
12467
12466
12465
12464
12463
12462
12461
12460
12459
12458
12457
12456
12455
12454
12453
12452
12451
12450