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
12160
12159
12158
12157
12156
12155
12154
12153
12152
12151
12150
12149
12148
12147
12146
12145
12144
12143
12142
12141
12140