w
7w Ec2e
 +-----------------+
8|                 |
7|                 |
6|     x     x     |
5|                 |
4|                 |
3|   R x     x     |
2|   e   E e       |
1|     e e         |
 +-----------------+
   a b c d e f g h

2 choices for initial step
30 total move combinations
11 unique moves
36.66% are unique

