Y \ X
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
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
9830
9829
9828
9827
9826
9825
9824
9823
9822
9821
9820
9819
9818
9817
9816
9815
9814
9813
9812
9811
9810