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
2430
2429
2428
2427
2426
2425
2424
2423
2422
2421
2420
2419
2418
2417
2416
2415
2414
2413
2412
2411
2410