Y \ X
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
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
13670
13669
13668
13667
13666
13665
13664
13663
13662
13661
13660
13659
13658
13657
13656
13655
13654
13653
13652
13651
13650