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
4250
4249
4248
4247
4246
4245
4244
4243
4242
4241
4240
4239
4238
4237
4236
4235
4234
4233
4232
4231
4230