Y \ X
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
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
6510
6509
6508
6507
6506
6505
6504
6503
6502
6501
6500
6499
6498
6497
6496
6495
6494
6493
6492
6491
6490