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
3370
3369
3368
3367
3366
3365
3364
3363
3362
3361
3360
3359
3358
3357
3356
3355
3354
3353
3352
3351
3350