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
14020
14019
14018
14017
14016
14015
14014
14013
14012
14011
14010
14009
14008
14007
14006
14005
14004
14003
14002
14001
14000