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
13730
13729
13728
13727
13726
13725
13724
13723
13722
13721
13720
13719
13718
13717
13716
13715
13714
13713
13712
13711
13710