Y \ X
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
8900
8899
8898
8897
8896
8895
8894
8893
8892
8891
8890
8889
8888
8887
8886
8885
8884
8883
8882
8881
8880