Y \ X
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
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
8280
8279
8278
8277
8276
8275
8274
8273
8272
8271
8270
8269
8268
8267
8266
8265
8264
8263
8262
8261
8260