Y \ X
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
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
15020
15019
15018
15017
15016
15015
15014
15013
15012
15011
15010
15009
15008
15007
15006
15005
15004
15003
15002
15001
15000