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
14970
14969
14968
14967
14966
14965
14964
14963
14962
14961
14960
14959
14958
14957
14956
14955
14954
14953
14952
14951
14950