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
10270
10269
10268
10267
10266
10265
10264
10263
10262
10261
10260
10259
10258
10257
10256
10255
10254
10253
10252
10251
10250