id: 136 media ( 9, (6, 0, 0, 3)) (( 1.6, 1.5 ), ( 7.4, 1.5 ))
 +10    |          +4 
     |           
     |        2016 15 14 13  
+    +    +    + 
     |     2012     
     |           
     |          
     |           
+    +    +    + 
     |           
     2020 19 17           
     |           
     |           
+ 2018  +    +    + 
     |           
     |           
     |           
     |           
+    +    +    + 
     |           
     |           
     |           
     |           
+    +    +    + 
     |           
     |           
     |           
     |           
 0----+----+----+-1