Y \ X
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
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
3570
3569
3568
3567
3566
3565
3564
3563
3562
3561
3560
3559
3558
3557
3556
3555
3554
3553
3552
3551
3550