id: 48 media ( 5, (4, 0, 1, 0)) (( 2.0, 2.1 ), ( 3.5, 3.0 ))
 +5 +    +    +    +    +    +5 
       |                    
       |                 2013 12  
       |                    
       |                    
  +    +    +    +    +    +
       |                    
       |                 2014 11  
       |                    
       |                   
  +    +    +    +    +    +
       |                    
       |                    
       |                    
       |                    
  +    +    +    +    +    +
       |                    
       |                    
       |                    
       |                    
  +    +    +    +    +    +
       |                    
       |                    
       |                    
       |                    
--+----+----+----+----+----+
       |                    
       |                    
       |                    
       |                    
  2010    +    +    +    +    +
       |                    
 -1      |                   -2