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
10620
10619
10618
10617
10616
10615
10614
10613
10612
10611
10610
10609
10608
10607
10606
10605
10604
10603
10602
10601
10600