\left(\left(-4 (\text{m1}-\text{m2})^2+(1-2 \text{m3})^2\right)^{\frac{1}{4} (1-\text{x1} \text{x3})} \left((1-2 \text{m2})^2-4 (\text{m1}-\text{m3})^2\right)^{\frac{1}{4} (1-\text{x2} \text{x3})} \left(1-4 \text{m1}+4 \text{m1}^2-4 \text{m2}^2+8 \text{m2} \text{m3}-4 \text{m3}^2\right)^{\frac{1}{4}-\frac{\text{x1} \text{x2}}{4}} \left(-(-1+2 \text{m1}+2 \text{m2})^2+4 \text{m3}^2\right)^{\frac{1}{4} (1+\text{x1} \text{x3})} \left(4 \text{m2}^2-(-1+2 \text{m1}+2 \text{m3})^2\right)^{\frac{1}{4} (1+\text{x2} \text{x3})} \left(4 \text{m1}^2-(-1+2 \text{m2}+2 \text{m3})^2\right)^{\frac{1}{4} (1+\text{x1} \text{x2})}\right)/\left(2 \left(\sqrt{(1-2 \text{m2})^2-4 (\text{m1}-\text{m3})^2} \sqrt{(-1+2 \text{m1}+2 \text{m2}-2 \text{m3}) (-1+2 \text{m1}-2 \text{m2}+2 \text{m3})} \sqrt{-(-1+2 \text{m1}+2 \text{m2})^2+4 \text{m3}^2}+\sqrt{-4 (\text{m1}-\text{m2})^2+(1-2 \text{m3})^2} \sqrt{(-1+2 \text{m1}+2 \text{m2}-2 \text{m3}) (-1+2 \text{m1}-2 \text{m2}+2 \text{m3})} \sqrt{4 \text{m2}^2-(-1+2 \text{m1}+2 \text{m3})^2}+\sqrt{-4 (\text{m1}-\text{m2})^2+(1-2 \text{m3})^2} \sqrt{(1-2 \text{m2})^2-4 (\text{m1}-\text{m3})^2} \sqrt{4 \text{m1}^2-(-1+2 \text{m2}+2 \text{m3})^2}+\sqrt{-(-1+2 \text{m1}+2 \text{m2})^2+4 \text{m3}^2} \sqrt{4 \text{m2}^2-(-1+2 \text{m1}+2 \text{m3})^2} \sqrt{4 \text{m1}^2-(-1+2 \text{m2}+2 \text{m3})^2}\right)\right)