id: 300 yr ( 5, (3, 0, 2, 0)) (( 19.1, 18.3 ), ( 5.5, 10.4 ))
 +12                          |     +6 
                           |      
                           |   2014  
                           |  2013   
  +    +    +    +    +    +    + 
                           2015      
                           |      
                           |      
                           |      
--+----+----+----+----+----+----+-
                           |      
                           |      
                          |      
                           |      
  +    +    +    +    +    +    + 
                           |      
                           |      
                           |      
                           |      
  +    +    + 2012  +    +    +    + 
                           |      
                           |      
                           |      
                           |      
  +    +    +    +    +    +    + 
                           |      
                           |      
                           |      
                           |      
  +    +    +    +    +    +    + 
                           |      
                           |      
  2011                        |      
                           |      
 -38 +    +    +    +    +    +    +-41