Given that, for all real x, the expression $\frac{{\mathrm{x}}^2-2\mathrm{x}+4}{{\mathrm{x}}^2+2\mathrm{x}+4}$ lies between $\frac{1}{3}$ and 3. The values between which the expression $\frac{9.3^{2\mathrm{x}}+6.3^{\mathrm{x}}+4}{9.3^{2\mathrm{x}}-6.3^{\mathrm{x}}+4}$lies are