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
13310
13309
13308
13307
13306
13305
13304
13303
13302
13301
13300
13299
13298
13297
13296
13295
13294
13293
13292
13291
13290