id: 221 yr ( 7, (0, 0, 6, 1)) (( 4.8, 4.4 ), ( 6.7, 10.5 ))
 +2                              +0 
                               |
                          2012    |
                               |
-+----+----+----+----+----+----+
                               |
                               |
                               |
                               |
 +    +    +    +    +    +    +
                  2016 14            |
                               |
                               |
                               |
 +    +    +   2013+    +    +    +
                              |
                               |
                               |
                               |
 +    +    +    +    +    +    +
          2015                    |
                               |
        2017                      |
                               |
 +    +    +    +    +    +    +
                               |
                               |
  2011                            |
                               |
 -15+    +    +    +    +    +    -18