Y \ X
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
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
14690
14689
14688
14687
14686
14685
14684
14683
14682
14681
14680
14679
14678
14677
14676
14675
14674
14673
14672
14671
14670