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
6700
6699
6698
6697
6696
6695
6694
6693
6692
6691
6690
6689
6688
6687
6686
6685
6684
6683
6682
6681
6680