25
1778 1782
1786
1791
1795
1799
1803 1807
1811
1816
0
1
 1
2
2
2
3
3
4 26
1820 1824
1828
1832
1837
1841
1845 1849
1854
1858
0
1
1
2
2
3
3
3
4 27
1862 1866
1871
1875
1879
1884
1888 1892
1897
1901
0
1
1
2
2
3
3
3
4 28
1905 1910
1914
1919
1923
1928
1932 1936
1941
1945
0
1
1
2
2
3
3
4
4