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
7280
7279
7278
7277
7276
7275
7274
7273
7272
7271
7270
7269
7268
7267
7266
7265
7264
7263
7262
7261
7260