Y \ X
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
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
4750
4749
4748
4747
4746
4745
4744
4743
4742
4741
4740
4739
4738
4737
4736
4735
4734
4733
4732
4731
4730