1                 1635                   1649                    1656     
    2              1680              1684     
    3              1698           1732                  1734     
    4              1734            1758            
     5              1758                1773     
     6              1773            1777      
     7                 1777            1780      
     8              1780              1789      
     9              1789           1796       
    10             1796   8                   1797                    1806      
    11              1806          1812      
    12              1812      
    13              1836             1841       
    14              1841                 1851      
    15                1851                     1857      
     16             1857                  1883      
     17             1884                   1900       
     18              1900                          1902      
     19              1902                  1903                  1905           
     20              1903               1908       
     21         1908      11    1913  2      
     22           1913    25      1916      
    23          1916       1923       
    24         1924  2  29          
    25            1943         5  19             1943  11  2      1945  7        
     26           1945              1949  2        
     27         1949          7            