Y \ X
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
9260
9259
9258
9257
9256
9255
9254
9253
9252
9251
9250
9249
9248
9247
9246
9245
9244
9243
9242
9241
9240