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
5110
5109
5108
5107
5106
5105
5104
5103
5102
5101
5100
5099
5098
5097
5096
5095
5094
5093
5092
5091
5090