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
3100
3099
3098
3097
3096
3095
3094
3093
3092
3091
3090
3089
3088
3087
3086
3085
3084
3083
3082
3081
3080