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
10780
10779
10778
10777
10776
10775
10774
10773
10772
10771
10770
10769
10768
10767
10766
10765
10764
10763
10762
10761
10760