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
13590
13589
13588
13587
13586
13585
13584
13583
13582
13581
13580
13579
13578
13577
13576
13575
13574
13573
13572
13571
13570