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
12000
11999
11998
11997
11996
11995
11994
11993
11992
11991
11990
11989
11988
11987
11986
11985
11984
11983
11982
11981
11980