\frac{dx_{1}}{dt} = \left(-1 \cdot k_{23} \cdot \left(k_{1} \cdot x_{1} \cdot x_{3} - k_{17} \cdot x_{2}\right) + 1 \cdot k_{23} \cdot k_{2} \cdot x_{2} + -1 \cdot k_{23} \cdot \left(k_{4} \cdot x_{1} \cdot x_{5} - k_{18} \cdot x_{6}\right) + -1 \cdot k_{23} \cdot \left(k_{5} \cdot x_{1} \cdot x_{4} - k_{19} \cdot x_{7}\right) + 1 \cdot k_{23} \cdot k_{6} \cdot x_{6} + 1 \cdot k_{23} \cdot k_{7} \cdot x_{7} + -1 \cdot k_{23} \cdot \left(k_{8} \cdot x_{1} \cdot x_{3} - k_{20} \cdot x_{9}\right) + 1 \cdot k_{23} \cdot k_{9} \cdot x_{9} + -1 \cdot k_{23} \cdot \left(k_{11} \cdot x_{1} \cdot x_{11} - k_{21} \cdot x_{12}\right) + -1 \cdot k_{23} \cdot \left(k_{12} \cdot x_{1} \cdot x_{10} - k_{22} \cdot x_{13}\right) + 1 \cdot k_{23} \cdot k_{13} \cdot x_{12} + 1 \cdot k_{23} \cdot k_{14} \cdot x_{13}\right) / k_{23}\\
\frac{dx_{2}}{dt} = \left(1 \cdot k_{23} \cdot \left(k_{1} \cdot x_{1} \cdot x_{3} - k_{17} \cdot x_{2}\right) + -1 \cdot k_{23} \cdot k_{2} \cdot x_{2} + -1 \cdot k_{23} \cdot k_{15} \cdot x_{2}\right) / k_{23}\\
\frac{dx_{3}}{dt} = \left(-1 \cdot k_{23} \cdot \left(k_{1} \cdot x_{1} \cdot x_{3} - k_{17} \cdot x_{2}\right) + -1 \cdot k_{23} \cdot \left(k_{8} \cdot x_{1} \cdot x_{3} - k_{20} \cdot x_{9}\right)\right) / k_{23}\\
\frac{dx_{4}}{dt} = \left(1 \cdot k_{23} \cdot k_{2} \cdot x_{2} + -1 \cdot k_{23} \cdot k_{3} \cdot x_{4} + -1 \cdot k_{23} \cdot \left(k_{5} \cdot x_{1} \cdot x_{4} - k_{19} \cdot x_{7}\right)\right) / k_{23}\\
\frac{dx_{5}}{dt} = \left(1 \cdot k_{23} \cdot k_{3} \cdot x_{4} + -1 \cdot k_{23} \cdot \left(k_{4} \cdot x_{1} \cdot x_{5} - k_{18} \cdot x_{6}\right)\right) / k_{23}\\
\frac{dx_{6}}{dt} = \left(1 \cdot k_{23} \cdot \left(k_{4} \cdot x_{1} \cdot x_{5} - k_{18} \cdot x_{6}\right) + -1 \cdot k_{23} \cdot k_{6} \cdot x_{6}\right) / k_{23}\\
\frac{dx_{7}}{dt} = \left(1 \cdot k_{23} \cdot \left(k_{5} \cdot x_{1} \cdot x_{4} - k_{19} \cdot x_{7}\right) + -1 \cdot k_{23} \cdot k_{7} \cdot x_{7}\right) / k_{23}\\
\frac{dx_{8}}{dt} = \left(1 \cdot k_{23} \cdot k_{6} \cdot x_{6} + 1 \cdot k_{23} \cdot k_{7} \cdot x_{7} + 1 \cdot k_{23} \cdot k_{13} \cdot x_{12} + 1 \cdot k_{23} \cdot k_{14} \cdot x_{13} + 1 \cdot k_{23} \cdot k_{15} \cdot x_{2} + 1 \cdot k_{23} \cdot k_{16} \cdot x_{9}\right) / k_{23}\\
\frac{dx_{9}}{dt} = \left(1 \cdot k_{23} \cdot \left(k_{8} \cdot x_{1} \cdot x_{3} - k_{20} \cdot x_{9}\right) + -1 \cdot k_{23} \cdot k_{9} \cdot x_{9} + -1 \cdot k_{23} \cdot k_{16} \cdot x_{9}\right) / k_{23}\\
\frac{dx_{10}}{dt} = \left(1 \cdot k_{23} \cdot k_{9} \cdot x_{9} + -1 \cdot k_{23} \cdot k_{10} \cdot x_{10} + -1 \cdot k_{23} \cdot \left(k_{12} \cdot x_{1} \cdot x_{10} - k_{22} \cdot x_{13}\right)\right) / k_{23}\\
\frac{dx_{11}}{dt} = \left(1 \cdot k_{23} \cdot k_{10} \cdot x_{10} + -1 \cdot k_{23} \cdot \left(k_{11} \cdot x_{1} \cdot x_{11} - k_{21} \cdot x_{12}\right)\right) / k_{23}\\
\frac{dx_{12}}{dt} = \left(1 \cdot k_{23} \cdot \left(k_{11} \cdot x_{1} \cdot x_{11} - k_{21} \cdot x_{12}\right) + -1 \cdot k_{23} \cdot k_{13} \cdot x_{12}\right) / k_{23}\\
\frac{dx_{13}}{dt} = \left(1 \cdot k_{23} \cdot \left(k_{12} \cdot x_{1} \cdot x_{10} - k_{22} \cdot x_{13}\right) + -1 \cdot k_{23} \cdot k_{14} \cdot x_{13}\right) / k_{23}\\
\frac{dx_{14}}{dt} = 0 / k_{23}