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
5770
5769
5768
5767
5766
5765
5764
5763
5762
5761
5760
5759
5758
5757
5756
5755
5754
5753
5752
5751
5750