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
14010
14009
14008
14007
14006
14005
14004
14003
14002
14001
14000
13999
13998
13997
13996
13995
13994
13993
13992
13991
13990