Y \ X
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
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
14370
14369
14368
14367
14366
14365
14364
14363
14362
14361
14360
14359
14358
14357
14356
14355
14354
14353
14352
14351
14350