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
7810
7809
7808
7807
7806
7805
7804
7803
7802
7801
7800
7799
7798
7797
7796
7795
7794
7793
7792
7791
7790