Y \ X
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
10800
10799
10798
10797
10796
10795
10794
10793
10792
10791
10790
10789
10788
10787
10786
10785
10784
10783
10782
10781
10780