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
11560
11559
11558
11557
11556
11555
11554
11553
11552
11551
11550
11549
11548
11547
11546
11545
11544
11543
11542
11541
11540