Y \ X
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
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
11090
11089
11088
11087
11086
11085
11084
11083
11082
11081
11080
11079
11078
11077
11076
11075
11074
11073
11072
11071
11070