Y \ X
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
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
8240
8239
8238
8237
8236
8235
8234
8233
8232
8231
8230
8229
8228
8227
8226
8225
8224
8223
8222
8221
8220