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
11640
11639
11638
11637
11636
11635
11634
11633
11632
11631
11630
11629
11628
11627
11626
11625
11624
11623
11622
11621
11620