id: 71 yr ( 4, (4, 0, 0, 0)) (( 1.7, 1.5 ), ( 5.7, 14.2 ))
 +9                              +17 
|                               
+    +    +    +    +    +   2016+ 
|                               
|                               
|                               
|                               
+    +    +    +    +   +    + 
|                               
|                     2014 2015       
|                     2017         
|                               
+    +    +    +    +    +    + 
|                               
|                               
|                               
|                               
 0----+----+----+----+----+----+