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
10320
10319
10318
10317
10316
10315
10314
10313
10312
10311
10310
10309
10308
10307
10306
10305
10304
10303
10302
10301
10300