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
12680
12679
12678
12677
12676
12675
12674
12673
12672
12671
12670
12669
12668
12667
12666
12665
12664
12663
12662
12661
12660