35b
 +-----------------+
8|         h D     |
7|                 |
6|   r             |
5|   d r     H     |
4| r r E   r     r |
3| R D m e C c h   |
2|   R R C d H R r |
1|     M     R R R |
 +-----------------+
   a b c d e f g h