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
13260
13259
13258
13257
13256
13255
13254
13253
13252
13251
13250
13249
13248
13247
13246
13245
13244
13243
13242
13241
13240