Y \ X
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
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
10700
10699
10698
10697
10696
10695
10694
10693
10692
10691
10690
10689
10688
10687
10686
10685
10684
10683
10682
10681
10680