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
14340
14339
14338
14337
14336
14335
14334
14333
14332
14331
14330
14329
14328
14327
14326
14325
14324
14323
14322
14321
14320