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
7600
7599
7598
7597
7596
7595
7594
7593
7592
7591
7590
7589
7588
7587
7586
7585
7584
7583
7582
7581
7580