\frac{dx_{1}}{dt} = \left(-1 \cdot k_{1} \cdot k_{5} \cdot x_{1} / k_{3} / \left(1 + x_{1} / k_{3}\right) \cdot \left(1 + k_{2} \cdot x_{8} / k_{4}\right) / \left(1 + x_{8} / k_{4}\right) + 1 \cdot k_{1} \cdot k_{17} \cdot x_{9} \cdot x_{2} / k_{16} / \left(1 + x_{2} / k_{16}\right)\right) / k_{1}\\
\frac{dx_{2}}{dt} = \left(1 \cdot k_{1} \cdot k_{5} \cdot x_{1} / k_{3} / \left(1 + x_{1} / k_{3}\right) \cdot \left(1 + k_{2} \cdot x_{8} / k_{4}\right) / \left(1 + x_{8} / k_{4}\right) + -1 \cdot k_{1} \cdot k_{17} \cdot x_{9} \cdot x_{2} / k_{16} / \left(1 + x_{2} / k_{16}\right)\right) / k_{1}\\
\frac{dx_{3}}{dt} = \left(-1 \cdot k_{1} \cdot k_{8} \cdot x_{2} \cdot x_{3} / k_{6} / \left(\left(1 + x_{3} / k_{6} + x_{4} / k_{6}\right) \cdot \left(1 + x_{8} / k_{7}\right)\right) + 1 \cdot k_{1} \cdot k_{21} \cdot x_{10} \cdot x_{4} / k_{20} / \left(1 + x_{5} / k_{20} + x_{4} / k_{20}\right)\right) / k_{1}\\
\frac{dx_{4}}{dt} = \left(1 \cdot k_{1} \cdot k_{8} \cdot x_{2} \cdot x_{3} / k_{6} / \left(\left(1 + x_{3} / k_{6} + x_{4} / k_{6}\right) \cdot \left(1 + x_{8} / k_{7}\right)\right) + -1 \cdot k_{1} \cdot k_{11} \cdot x_{2} \cdot x_{4} / k_{9} / \left(\left(1 + x_{3} / k_{9} + x_{4} / k_{9}\right) \cdot \left(1 + x_{8} / k_{10}\right)\right) + 1 \cdot k_{1} \cdot k_{19} \cdot x_{10} \cdot x_{5} / k_{18} / \left(1 + x_{5} / k_{18} + x_{4} / k_{18}\right) + -1 \cdot k_{1} \cdot k_{21} \cdot x_{10} \cdot x_{4} / k_{20} / \left(1 + x_{5} / k_{20} + x_{4} / k_{20}\right)\right) / k_{1}\\
\frac{dx_{5}}{dt} = \left(1 \cdot k_{1} \cdot k_{11} \cdot x_{2} \cdot x_{4} / k_{9} / \left(\left(1 + x_{3} / k_{9} + x_{4} / k_{9}\right) \cdot \left(1 + x_{8} / k_{10}\right)\right) + -1 \cdot k_{1} \cdot k_{19} \cdot x_{10} \cdot x_{5} / k_{18} / \left(1 + x_{5} / k_{18} + x_{4} / k_{18}\right)\right) / k_{1}\\
\frac{dx_{6}}{dt} = \left(-1 \cdot k_{1} \cdot k_{13} \cdot x_{5} \cdot x_{6} / k_{12} / \left(1 + x_{6} / k_{12} + x_{7} / k_{12}\right) + 1 \cdot k_{1} \cdot k_{25} \cdot x_{11} \cdot x_{7} / k_{24} / \left(1 + x_{8} / k_{24} + x_{7} / k_{24}\right)\right) / k_{1}\\
\frac{dx_{7}}{dt} = \left(1 \cdot k_{1} \cdot k_{13} \cdot x_{5} \cdot x_{6} / k_{12} / \left(1 + x_{6} / k_{12} + x_{7} / k_{12}\right) + -1 \cdot k_{1} \cdot k_{15} \cdot x_{5} \cdot x_{7} / k_{14} / \left(1 + x_{6} / k_{14} + x_{7} / k_{14}\right) + 1 \cdot k_{1} \cdot k_{23} \cdot x_{11} \cdot x_{8} / k_{22} / \left(1 + x_{8} / k_{22} + x_{7} / k_{22}\right) + -1 \cdot k_{1} \cdot k_{25} \cdot x_{11} \cdot x_{7} / k_{24} / \left(1 + x_{8} / k_{24} + x_{7} / k_{24}\right)\right) / k_{1}\\
\frac{dx_{8}}{dt} = \left(1 \cdot k_{1} \cdot k_{15} \cdot x_{5} \cdot x_{7} / k_{14} / \left(1 + x_{6} / k_{14} + x_{7} / k_{14}\right) + -1 \cdot k_{1} \cdot k_{23} \cdot x_{11} \cdot x_{8} / k_{22} / \left(1 + x_{8} / k_{22} + x_{7} / k_{22}\right)\right) / k_{1}\\
\frac{dx_{9}}{dt} = 0 / k_{1}\\
\frac{dx_{10}}{dt} = 0 / k_{1}\\
\frac{dx_{11}}{dt} = 0 / k_{1}