Y \ X
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
8250
8249
8248
8247
8246
8245
8244
8243
8242
8241
8240
8239
8238
8237
8236
8235
8234
8233
8232
8231
8230