+---+     +--------------+     +---+
| C | <-- |     Wide     | --> | B |
+---+     +--------------+     +---+
                  +------+
                  |  E   |
                  +------+
                    ^
                    |
                    |
                  +------+
                  | High |
                  +------+
                    |
                    |
                    v
                  +------+
                  |  D   |
                  +------+
