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
11560
11559
11558
11557
11556
11555
11554
11553
11552
11551
11550
11549
11548
11547
11546
11545
11544
11543
11542
11541
11540