The official rules it a throw - in violation and awards team B the ball at the spot of throw - in .
A-1's throw - in is touched by B - 1 , who has one foot touching the boundary line .
The official rules B - 1 a throw - in violation and awards B - 1 B - 1 the ball at the spot of throw - in .
A-1's throw - in is touched by B - 1 , who has one foot touching the boundary line .