     1   1   3    3    1   5       1   6        
             2   9   15    7    2   16       2   17         
              4   4   6    3     4   7        
               4   29   5   1     3    4   27       4    28        
                  6   10   12     3    6   8       6   9        
                 9   19   21    3    9   22        
             10   1   7    7    9   29       10   12               