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
2250
2249
2248
2247
2246
2245
2244
2243
2242
2241
2240
2239
2238
2237
2236
2235
2234
2233
2232
2231
2230