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
10740
10739
10738
10737
10736
10735
10734
10733
10732
10731
10730
10729
10728
10727
10726
10725
10724
10723
10722
10721
10720