\frac{dx_{1}}{dt} = \left(1 \cdot k_{3} \cdot x_{7} + -1 \cdot k_{25} \cdot x_{1} + -1 \cdot k_{23} \cdot x_{1}\right) / k_{39}\\
\frac{dx_{2}}{dt} = \left(1 \cdot k_{32} \cdot x_{7} + -1 \cdot k_{35} \cdot x_{2} + -1 \cdot k_{34} \cdot x_{2}\right) / k_{39}\\
\frac{dx_{3}}{dt} = \left(1 \cdot \left(k_{6} + k_{7} \cdot \left(x_{9} + x_{10}\right)\right) \cdot x_{8} + -1 \cdot k_{26} \cdot x_{3} + -1 \cdot k_{24} \cdot x_{3}\right) / k_{39}\\
\frac{dx_{4}}{dt} = \left(1 \cdot k_{23} \cdot x_{1} + -1 \cdot k_{25} \cdot x_{4} + -1 \cdot k_{23} \cdot x_{4}\right) / k_{39}\\
\frac{dx_{5}}{dt} = \left(1 \cdot k_{34} \cdot x_{2} + -1 \cdot k_{35} \cdot x_{5} + -1 \cdot k_{34} \cdot x_{5}\right) / k_{39}\\
\frac{dx_{6}}{dt} = \left(1 \cdot k_{24} \cdot x_{3} + -1 \cdot k_{26} \cdot x_{6} + -1 \cdot k_{24} \cdot x_{6}\right) / k_{39}\\
\frac{dx_{7}}{dt} = \left(1 \cdot \left(k_{1} \cdot x_{12}^{k_{29}} / \left(\left(1 + \left(x_{9} + x_{10}\right) / k_{8}\right) \cdot \left(x_{12}^{k_{29}} + k_{9}^{k_{29}}\right)\right) + k_{2} \cdot x_{11}^{k_{30}} / \left(\left(1 + \left(x_{9} + x_{10}\right) / k_{10}\right) \cdot \left(x_{11}^{k_{30}} + k_{11}^{k_{30}}\right)\right)\right) + -1 \cdot k_{18} \cdot x_{7} / \left(x_{7} + k_{12}\right)\right) / k_{40}\\
\frac{dx_{8}}{dt} = \left(1 \cdot \left(k_{4} + k_{5} \cdot x_{12}^{k_{31}} / \left(x_{12}^{k_{31}} + k_{13}^{k_{31}}\right)\right) + -1 \cdot k_{20} \cdot x_{8} / \left(x_{8} + k_{14}\right)\right) / k_{40}\\
\frac{dx_{9}}{dt} = \left(1 \cdot k_{23} \cdot x_{4} + -1 \cdot k_{19} \cdot x_{9}\right) / k_{40}\\
\frac{dx_{10}}{dt} = \left(1 \cdot k_{34} \cdot x_{5} + -1 \cdot k_{33} \cdot x_{10}\right) / k_{40}\\
\frac{dx_{11}}{dt} = \left(1 \cdot k_{24} \cdot x_{6} + -1 \cdot k_{21} \cdot x_{11} / \left(x_{11} + k_{15}\right) + -1 \cdot \left(k_{27} \cdot k_{36} \cdot x_{11} \cdot \left(1 + \tanh\left(24 \cdot \left(t - 24 \cdot \lfloor t / 24 \rfloor - k_{37}\right)\right)\right) \cdot \left(1 - \tanh\left(24 \cdot \left(t - 24 \cdot \lfloor t / 24 \rfloor - k_{38}\right)\right)\right) / 4 - k_{28} \cdot x_{12}\right)\right) / k_{40}\\
\frac{dx_{12}}{dt} = \left(1 \cdot \left(k_{27} \cdot k_{36} \cdot x_{11} \cdot \left(1 + \tanh\left(24 \cdot \left(t - 24 \cdot \lfloor t / 24 \rfloor - k_{37}\right)\right)\right) \cdot \left(1 - \tanh\left(24 \cdot \left(t - 24 \cdot \lfloor t / 24 \rfloor - k_{38}\right)\right)\right) / 4 - k_{28} \cdot x_{12}\right) + -1 \cdot k_{22} \cdot x_{12} / \left(x_{12} + k_{16}\right)\right) / k_{40}