Y \ X
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
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
15240
15239
15238
15237
15236
15235
15234
15233
15232
15231
15230
15229
15228
15227
15226
15225
15224
15223
15222
15221
15220