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
13240
13239
13238
13237
13236
13235
13234
13233
13232
13231
13230
13229
13228
13227
13226
13225
13224
13223
13222
13221
13220