Y \ X
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
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
11190
11189
11188
11187
11186
11185
11184
11183
11182
11181
11180
11179
11178
11177
11176
11175
11174
11173
11172
11171
11170