Y \ X
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
10250
10249
10248
10247
10246
10245
10244
10243
10242
10241
10240
10239
10238
10237
10236
10235
10234
10233
10232
10231
10230