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
9730
9729
9728
9727
9726
9725
9724
9723
9722
9721
9720
9719
9718
9717
9716
9715
9714
9713
9712
9711
9710