Y \ X
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
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
8890
8889
8888
8887
8886
8885
8884
8883
8882
8881
8880
8879
8878
8877
8876
8875
8874
8873
8872
8871
8870