First move: ##

   A  B  C  D  E  F  G  H
1 |  |  |  |  |  |  |  |  | 1
2 |  |  |  |  |  |  |  |  | 2
3 |  |10| 5|12| 2|  |  |  | 3
4 |  | 4| 1|()|##|13|25|  | 4
5 |22|21| 6|##|()| 3|18|  | 5
6 |15|14| 7|11| 8| 9|19|24| 6
7 |  |  |  |16|20|23|  |  | 7
8 |  |  |17|  |  |  |  |  | 8
   A  B  C  D  E  F  G  H

##:() - 12:17