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
15290
15289
15288
15287
15286
15285
15284
15283
15282
15281
15280
15279
15278
15277
15276
15275
15274
15273
15272
15271
15270