id: 62 yr ( 2, (0, 1, 1, 0)) (( 5.0, 5.7 ), ( 12.4, 1.8 ))
 +0----+----+----+----+---+4 
               |         
               |         
               |         
               |         
+    +    +    +    +    
               |         
               |         
               |         
               |         
+    +    +    +    +    
               |      2011  
               |         
               |         
               |         
+    +    +    +    +    
               |         
               |         
               |         
               |         
+    +    +   +    +    
               |         
               |         
               |         
               |         
+    +    +    +    +    
               |         
               |         
  2010            |         
               |         
 -18    +    +    +    +   -8