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
12400
12399
12398
12397
12396
12395
12394
12393
12392
12391
12390
12389
12388
12387
12386
12385
12384
12383
12382
12381
12380