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
9340
9339
9338
9337
9336
9335
9334
9333
9332
9331
9330
9329
9328
9327
9326
9325
9324
9323
9322
9321
9320