id: 219 yr ( 7, (0, 4, 3, 0)) (( 5.9, 6.9 ), ( 17.9, 3.7 ))
 +0--+----+----+----+---+2 
                  |    
                  |    
                  |    
                  |    
   +    +    +    +    
                  |    
                  |    
                  |    
                  |    
   +    +    +    +    
                  |    
                  |    
                  |    
                  | 2015 12  
   +    +    +    +2013   
                  2017    
                  |    
               2014  |    
                 |    
   +    +    +    +    
                  |    
                  |    
                  |    
                  |    
   +    +    +    +    
                  |    
                  |    
                  |    
  20162011              |    
   +    +    +    +    
 -28                 |   -15