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
14570
14569
14568
14567
14566
14565
14564
14563
14562
14561
14560
14559
14558
14557
14556
14555
14554
14553
14552
14551
14550