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
5700
5699
5698
5697
5696
5695
5694
5693
5692
5691
5690
5689
5688
5687
5686
5685
5684
5683
5682
5681
5680