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
10640
10639
10638
10637
10636
10635
10634
10633
10632
10631
10630
10629
10628
10627
10626
10625
10624
10623
10622
10621
10620