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
6570
6569
6568
6567
6566
6565
6564
6563
6562
6561
6560
6559
6558
6557
6556
6555
6554
6553
6552
6551
6550