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
14040
14039
14038
14037
14036
14035
14034
14033
14032
14031
14030
14029
14028
14027
14026
14025
14024
14023
14022
14021
14020