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
12810
12809
12808
12807
12806
12805
12804
12803
12802
12801
12800
12799
12798
12797
12796
12795
12794
12793
12792
12791
12790