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
7520
7519
7518
7517
7516
7515
7514
7513
7512
7511
7510
7509
7508
7507
7506
7505
7504
7503
7502
7501
7500