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
7950
7949
7948
7947
7946
7945
7944
7943
7942
7941
7940
7939
7938
7937
7936
7935
7934
7933
7932
7931
7930