public void DotMove(int character,int x, int y) {
		if(character== CHAR_HUMAN && lock == LOCK_LOCKED)
			return;
		if (character!= CHAR_HUMAN && character!= CHAR_COMPU)
			throw new IllegalArgumentException("Wrong Character");
		
		if(board[x][y] != EMPTY_DOT)
			throw new IllegalArgumentException("Cant move there");
			
		counter++;
		if (character== CHAR_HUMAN)
			board[x][y] = HUMAN_DOT;
		else
			board[x][y] = COMPU_DOT;
		LastMove_x = x;
		LastMove_y = y;
		UpdateStatus();
	}