Y \ X
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
4990
4989
4988
4987
4986
4985
4984
4983
4982
4981
4980
4979
4978
4977
4976
4975
4974
4973
4972
4971
4970