id: 31 media ( 9, (9, 0, 0, 0)) (( 1.9, 1.8 ), ( 3.9, 2.9 ))
 +8                     +7 
|                      
|                   2010  
|                      
+    +    +    +    +  
|                      
|                      
|                      
|                      
+    +    +    + 2011  +  
|                      
|                      
|         2012            
|                      
+    +    +    +    +  
|                      
|         2018 17            
|                      
|                      
+    + 2016 13  +    +    +  
|                      
|                      
|  2015 14                   
|                      
+    +    +    +    +  
|                      
|                      
|                      
|                      
 0----+----+----+----+-