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
5090
5089
5088
5087
5086
5085
5084
5083
5082
5081
5080
5079
5078
5077
5076
5075
5074
5073
5072
5071
5070