Y \ X
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
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
15280
15279
15278
15277
15276
15275
15274
15273
15272
15271
15270
15269
15268
15267
15266
15265
15264
15263
15262
15261
15260