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
13080
13079
13078
13077
13076
13075
13074
13073
13072
13071
13070
13069
13068
13067
13066
13065
13064
13063
13062
13061
13060