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
12980
12979
12978
12977
12976
12975
12974
12973
12972
12971
12970
12969
12968
12967
12966
12965
12964
12963
12962
12961
12960