id: 90 yr ( 1, (0, 0, 0, 1)) (( 0.0, 0.0 ), ( 2.4, 2.3 ))
 +3    +    +    +    +0 
                    |
  2018                 |
                    |
                    |
+    +    +    +    +
                    |
                    |
                    |
                    |
+    +    +    +    +
                    |
                    |
                    |
                    |
+    +    +    +    +
                    |
                    |
                    |
                    |
 0----+----+----+-----3