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
12860
12859
12858
12857
12856
12855
12854
12853
12852
12851
12850
12849
12848
12847
12846
12845
12844
12843
12842
12841
12840