\frac{dx_{1}}{dt} = 0\\
\frac{dx_{2}}{dt} = \left(2 \cdot k_{15} \cdot \left(k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) + k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right) - |k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) - k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right)|\right) / 2 + \frac{3}{2} \cdot k_{15} \cdot \frac{21}{100} \cdot k_{18} / k_{11} / \left(k_{17} / k_{10}\right) \cdot \left(k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) + k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right) - |k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) - k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right)|\right) / 2 + -1 \cdot k_{15} \cdot x_{2} / k_{1} \cdot x_{3} / k_{2} \cdot k_{8}\right) / k_{15}\\
\frac{dx_{3}}{dt} = \left(-2 \cdot k_{15} \cdot \left(k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) + k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right) - |k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) - k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right)|\right) / 2 + -2 \cdot k_{15} \cdot \frac{21}{100} \cdot k_{18} / k_{11} / \left(k_{17} / k_{10}\right) \cdot \left(k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) + k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right) - |k_{8} \cdot k_{17} / \left(\left(1 + k_{18} / k_{11}\right) \cdot k_{10} + k_{17}\right) - k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 4 \cdot k_{17} / \left(k_{17} + 2 \cdot k_{6}\right)|\right) / 2 + 1 \cdot k_{15} \cdot k_{3} \cdot k_{4} / \left(10 - 9 \cdot k_{7}\right) / \left(65 \cdot \frac{1}{2}\right) / 2 \cdot x_{6} / k_{2}\right) / k_{15}\\
\frac{dx_{4}}{dt} = 0\\
\frac{dx_{5}}{dt} = 0