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
3560
3559
3558
3557
3556
3555
3554
3553
3552
3551
3550
3549
3548
3547
3546
3545
3544
3543
3542
3541
3540