First move: ##

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

##:() - 12:11