id: 290 yr ( 9, (0, 0, 9, 0)) (( 18.3, 17.4 ), ( 8.5, 13.7 ))
                                +0 
                                |
--+----+----+----+----+----+-2014 132018-+
                            2016 17 15 12 11   |
                                |
                                |
                               |
  +    +    +    +    +    +    +
                                |
                                |
                                |
                                |
  +    +    +    +    +    +    +
                                |
                                |
                                |
                                |
  +    +    +    +    +    +    +
                                |
                                |
                                |
                                |
  +    +    +    +    +    +    +
                                |
                                |
                                |
                                |
  +    +    +    +    +    +    +
                                |
                                |
  2010                             |
                                |
 -61 +    +    +    +    +    +    -63