1950
1950
1970
1955
1966
1954
1952
1950
1951
1953
1952
1949
1953
1962
1962
1961
1949
1952
1954
1949
1948
1948
1948
1954
1955
1953
1956
1948
1955
1954
1951
1951
1966
1958
1961
1966
1971
1951
1958
1951
1951
1958
1965
1953
1949
1955
1972
1952
1949
1950
1965
1949
1959
1955
1957
1961
1955
1949
1955
1967
1956
1956
1950
1952
1958
1951
1954
1953
1959
1949
1965
1954
1954
1948
1957
1949
1949
1950
1969
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