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
5260
5259
5258
5257
5256
5255
5254
5253
5252
5251
5250
5249
5248
5247
5246
5245
5244
5243
5242
5241
5240