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
13260
13259
13258
13257
13256
13255
13254
13253
13252
13251
13250
13249
13248
13247
13246
13245
13244
13243
13242
13241
13240