Y \ X
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
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
6850
6849
6848
6847
6846
6845
6844
6843
6842
6841
6840
6839
6838
6837
6836
6835
6834
6833
6832
6831
6830