Turn 1. Move of Black
Board is :

  01234567
0 ........
1 ........
2 ........
3 ...BW...
4 ...WB...
5 ........
6 ........
7 ........

Contestant 1 program tried to go to 3 5
It's valid!
Turn 2. Move of White
Board is :

  01234567
0 ........
1 ........
2 ........
3 ...BBB..
4 ...WB...
5 ........
6 ........
7 ........

ENDOFGAME