Y \ X
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
3980
3979
3978
3977
3976
3975
3974
3973
3972
3971
3970
3969
3968
3967
3966
3965
3964
3963
3962
3961
3960