Y \ X
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
2780
2779
2778
2777
2776
2775
2774
2773
2772
2771
2770
2769
2768
2767
2766
2765
2764
2763
2762
2761
2760