id: 159 yr ( 9, (0, 0, 9, 0)) (( 1.1, 1.1 ), ( 2.0, 8.1 ))
 +0----+----+----+----+----+----+0 
                              |
                              |
        2014 2020 13  2018                |
                              |
+    +    +    +    +    +    +
       2015                     |
                              |
     2017 12                        |
                              |
+    +    +    +    +    +    +
  2016  2019                        |
                              |
 -4                             -10