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
10480
10479
10478
10477
10476
10475
10474
10473
10472
10471
10470
10469
10468
10467
10466
10465
10464
10463
10462
10461
10460