public int getPlayerIndexOfSquare(int row, int col) throws Exception {
		String playerSymbol = this.square[row][col];
		if( playerSymbol.equals(X) ) {
			return PLAYER_X;
		} else if ( playerSymbol.equals(O) ) {
			return PLAYER_O;
		} else if ( playerSymbol.equals(BLANK) ) {
			return PLAYER_NONE;
		} else {
			throw new Exception("Invalid Player Symbol in square");
		}
	}