+-----+      +-----+                   +-----+
 |     |      |     |                   |     |
 | Am  |      | Bm  |                   | Em  |
 |     |      |     |                   |     |
 +--+--+      +--+--+                   +--+--+
    ^            ^                         ^
    |            |                         |
    |            |                         |
+---+---+    +---+---+    +---+---+    +---+---+
|       |    |       |    |       |    |       |
|       |    |       |    |       |    |       |
|   A   +<---+   B   +<---+   D   +<---+   E   |
|       |    |       |    |       |    |       |
|       |    |       |    |       |    |       |
+---+---+    +-------+    +---+---+    +-------+
    ^                         |
    |              +-------+  |
    |              |       |  |
    |              |       |  |
    +--------------+   C   +<-+
                   |       |
                   |       |
                   +---+---+
                       |
                       |
                       v
                    +--+--+
                    |     |
                    | Cm  |
                    |     |
                    +-----+