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
12050
12049
12048
12047
12046
12045
12044
12043
12042
12041
12040
12039
12038
12037
12036
12035
12034
12033
12032
12031
12030