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
5720
5719
5718
5717
5716
5715
5714
5713
5712
5711
5710
5709
5708
5707
5706
5705
5704
5703
5702
5701
5700