Y \ X
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
7890
7889
7888
7887
7886
7885
7884
7883
7882
7881
7880
7879
7878
7877
7876
7875
7874
7873
7872
7871
7870