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
11250
11249
11248
11247
11246
11245
11244
11243
11242
11241
11240
11239
11238
11237
11236
11235
11234
11233
11232
11231
11230