private static int diagonalProductRight(int i, int j) {
		int number1 = matrix[i][j];
		int number2 = 1;
		int number3 = 1;
		int number4 = 1;
		i = i + 1;
		j = j + 1;
		if (i < 20 && j < 20) {
			number2 = matrix[i][j];
		}
		i = i + 1;
		j = j + 1;
		if (i < 20 && j < 20) {
			number3 = matrix[i][j];
		}
		i = i + 1;
		j = j + 1;
		if (i < 20 && j < 20) {
			number4 = matrix[i][j];
		}
		return number1 * number2 * number3 * number4;
	}