First move: ##

   A  B  C  D  E  F  G  H
1 |  |  |  |  |  |14|  |  | 1
2 |  |  |17|21|13|18|  |  | 2
3 |  |10|19|12| 2|20|  |  | 3
4 |  |  | 1|()|##|11| 6|  | 4
5 |  |16| 9|##|()| 5| 7|  | 5
6 |  |  | 8|15| 4| 3|  |  | 6
7 |  |  |  |  |  |  |  |  | 7
8 |  |  |  |  |  |  |  |  | 8
   A  B  C  D  E  F  G  H

##:() - 13:12