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
14960
14959
14958
14957
14956
14955
14954
14953
14952
14951
14950
14949
14948
14947
14946
14945
14944
14943
14942
14941
14940