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
9390
9389
9388
9387
9386
9385
9384
9383
9382
9381
9380
9379
9378
9377
9376
9375
9374
9373
9372
9371
9370