First move: ##

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

##:() - 10:18