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
14630
14629
14628
14627
14626
14625
14624
14623
14622
14621
14620
14619
14618
14617
14616
14615
14614
14613
14612
14611
14610