Y \ X
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
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
4600
4599
4598
4597
4596
4595
4594
4593
4592
4591
4590
4589
4588
4587
4586
4585
4584
4583
4582
4581
4580