First move: ##

   A  B  C  D  E  F  G  H
1 |29|28|17|37|16|45|48|  | 1
2 |32|30|10| 8|13|35|49|50| 2
3 | 7| 6| 2| 3| 9|15|44|  | 3
4 |22| 5| 1|()|##|14|18|  | 4
5 |23|11| 4|##|()|12|51|  | 5
6 |21|20|19|31|38|40|  |  | 6
7 |47|43|24|25|26|39|  |  | 7
8 |46|34|27|33|36|41|42|  | 8
   A  B  C  D  E  F  G  H

##:() - 28:27