\frac{dx_{1}}{dt} = \left(-1 \cdot k_{49} \cdot k_{1} \cdot x_{1} \cdot x_{3} + 1 \cdot k_{49} \cdot k_{2} \cdot x_{4}\right) / k_{49}\\
\frac{dx_{2}}{dt} = \left(-1 \cdot k_{3} \cdot x_{2} \cdot x_{5} \cdot k_{49} + 1 \cdot k_{4} \cdot x_{6} \cdot k_{49}\right) / k_{49}\\
\frac{dx_{3}}{dt} = \left(-1 \cdot k_{49} \cdot k_{1} \cdot x_{1} \cdot x_{3} + 1 \cdot k_{49} \cdot k_{2} \cdot x_{4}\right) / k_{49}\\
\frac{dx_{4}}{dt} = \left(1 \cdot k_{49} \cdot k_{1} \cdot x_{1} \cdot x_{3} + -1 \cdot k_{49} \cdot k_{2} \cdot x_{4}\right) / k_{49}\\
\frac{dx_{5}}{dt} = \left(-1 \cdot k_{3} \cdot x_{2} \cdot x_{5} \cdot k_{49} + 1 \cdot k_{4} \cdot x_{6} \cdot k_{49}\right) / k_{49}\\
\frac{dx_{6}}{dt} = \left(1 \cdot k_{3} \cdot x_{2} \cdot x_{5} \cdot k_{49} + -1 \cdot k_{4} \cdot x_{6} \cdot k_{49}\right) / k_{49}\\
\frac{dx_{7}}{dt} = \left(-1 \cdot k_{49} \cdot k_{5} \cdot x_{4} \cdot x_{7} / \left(x_{7} + k_{6}\right) + -1 \cdot k_{49} \cdot k_{7} \cdot x_{6} \cdot x_{7} / \left(x_{7} + k_{8}\right) + 1 \cdot k_{49} \cdot k_{9} \cdot x_{10} \cdot x_{8} / \left(x_{8} + k_{10}\right)\right) / k_{49}\\
\frac{dx_{8}}{dt} = \left(1 \cdot k_{49} \cdot k_{5} \cdot x_{4} \cdot x_{7} / \left(x_{7} + k_{6}\right) + 1 \cdot k_{49} \cdot k_{7} \cdot x_{6} \cdot x_{7} / \left(x_{7} + k_{8}\right) + -1 \cdot k_{49} \cdot k_{9} \cdot x_{10} \cdot x_{8} / \left(x_{8} + k_{10}\right)\right) / k_{49}\\
\frac{dx_{9}}{dt} = -1 \cdot k_{49} \cdot k_{27} \cdot x_{21} \cdot x_{9} / \left(x_{9} + k_{28}\right) / k_{49}\\
\frac{dx_{10}}{dt} = 1 \cdot k_{49} \cdot k_{27} \cdot x_{21} \cdot x_{9} / \left(x_{9} + k_{28}\right) / k_{49}\\
\frac{dx_{11}}{dt} = \left(-1 \cdot k_{49} \cdot k_{11} \cdot x_{8} \cdot x_{11} / \left(x_{11} + k_{12}\right) + 1 \cdot k_{49} \cdot k_{13} \cdot x_{13} \cdot x_{12} / \left(x_{12} + k_{14}\right)\right) / k_{49}\\
\frac{dx_{12}}{dt} = \left(1 \cdot k_{49} \cdot k_{11} \cdot x_{8} \cdot x_{11} / \left(x_{11} + k_{12}\right) + -1 \cdot k_{49} \cdot k_{13} \cdot x_{13} \cdot x_{12} / \left(x_{12} + k_{14}\right)\right) / k_{49}\\
\frac{dx_{13}}{dt} = 0 / k_{49}\\
\frac{dx_{14}}{dt} = \left(-1 \cdot k_{49} \cdot k_{15} \cdot x_{12} \cdot x_{14} / \left(x_{14} + k_{16}\right) + 1 \cdot k_{49} \cdot k_{45} \cdot x_{32} \cdot x_{15} / \left(x_{15} + k_{46}\right) + 1 \cdot k_{49} \cdot k_{35} \cdot x_{25} \cdot x_{15} / \left(x_{15} + k_{36}\right)\right) / k_{49}\\
\frac{dx_{15}}{dt} = \left(1 \cdot k_{49} \cdot k_{15} \cdot x_{12} \cdot x_{14} / \left(x_{14} + k_{16}\right) + -1 \cdot k_{49} \cdot k_{45} \cdot x_{32} \cdot x_{15} / \left(x_{15} + k_{46}\right) + -1 \cdot k_{49} \cdot k_{35} \cdot x_{25} \cdot x_{15} / \left(x_{15} + k_{36}\right)\right) / k_{49}\\
\frac{dx_{16}}{dt} = \left(-1 \cdot k_{49} \cdot k_{43} \cdot x_{29} \cdot x_{16} / \left(x_{16} + k_{44}\right) + 1 \cdot k_{49} \cdot k_{47} \cdot x_{32} \cdot x_{17} / \left(x_{17} + k_{48}\right)\right) / k_{49}\\
\frac{dx_{17}}{dt} = \left(1 \cdot k_{49} \cdot k_{43} \cdot x_{29} \cdot x_{16} / \left(x_{16} + k_{44}\right) + -1 \cdot k_{49} \cdot k_{47} \cdot x_{32} \cdot x_{17} / \left(x_{17} + k_{48}\right)\right) / k_{49}\\
\frac{dx_{18}}{dt} = \left(-1 \cdot k_{49} \cdot k_{17} \cdot x_{15} \cdot x_{18} / \left(x_{18} + k_{18}\right) + -1 \cdot k_{49} \cdot k_{19} \cdot x_{17} \cdot x_{18} / \left(x_{18} + k_{20}\right) + 1 \cdot k_{49} \cdot k_{21} \cdot x_{31} \cdot x_{19} / \left(x_{19} + k_{22}\right)\right) / k_{49}\\
\frac{dx_{19}}{dt} = \left(1 \cdot k_{49} \cdot k_{17} \cdot x_{15} \cdot x_{18} / \left(x_{18} + k_{18}\right) + 1 \cdot k_{49} \cdot k_{19} \cdot x_{17} \cdot x_{18} / \left(x_{18} + k_{20}\right) + -1 \cdot k_{49} \cdot k_{21} \cdot x_{31} \cdot x_{19} / \left(x_{19} + k_{22}\right)\right) / k_{49}\\
\frac{dx_{20}}{dt} = \left(-1 \cdot k_{49} \cdot k_{23} \cdot x_{19} \cdot x_{20} / \left(x_{20} + k_{24}\right) + 1 \cdot k_{49} \cdot k_{25} \cdot x_{31} \cdot x_{21} / \left(x_{21} + k_{26}\right)\right) / k_{49}\\
\frac{dx_{21}}{dt} = \left(1 \cdot k_{49} \cdot k_{23} \cdot x_{19} \cdot x_{20} / \left(x_{20} + k_{24}\right) + -1 \cdot k_{49} \cdot k_{25} \cdot x_{31} \cdot x_{21} / \left(x_{21} + k_{26}\right)\right) / k_{49}\\
\frac{dx_{22}}{dt} = \left(-1 \cdot k_{49} \cdot k_{29} \cdot x_{4} \cdot x_{22} / \left(x_{22} + k_{30}\right) + -1 \cdot k_{49} \cdot k_{31} \cdot x_{12} \cdot x_{22} / \left(x_{22} + k_{32}\right)\right) / k_{49}\\
\frac{dx_{23}}{dt} = \left(1 \cdot k_{49} \cdot k_{29} \cdot x_{4} \cdot x_{22} / \left(x_{22} + k_{30}\right) + 1 \cdot k_{49} \cdot k_{31} \cdot x_{12} \cdot x_{22} / \left(x_{22} + k_{32}\right)\right) / k_{49}\\
\frac{dx_{24}}{dt} = -1 \cdot k_{49} \cdot k_{33} \cdot x_{23} \cdot x_{24} / \left(x_{24} + k_{34}\right) / k_{49}\\
\frac{dx_{25}}{dt} = 1 \cdot k_{49} \cdot k_{33} \cdot x_{23} \cdot x_{24} / \left(x_{24} + k_{34}\right) / k_{49}\\
\frac{dx_{26}}{dt} = -1 \cdot k_{49} \cdot k_{37} \cdot x_{6} \cdot x_{26} / \left(x_{26} + k_{38}\right) / k_{49}\\
\frac{dx_{27}}{dt} = 1 \cdot k_{49} \cdot k_{37} \cdot x_{6} \cdot x_{26} / \left(x_{26} + k_{38}\right) / k_{49}\\
\frac{dx_{28}}{dt} = \left(-1 \cdot k_{49} \cdot k_{39} \cdot x_{27} \cdot x_{28} / \left(x_{28} + k_{40}\right) + 1 \cdot k_{49} \cdot k_{41} \cdot x_{30} \cdot x_{29} / \left(x_{29} + k_{42}\right)\right) / k_{49}\\
\frac{dx_{29}}{dt} = \left(1 \cdot k_{49} \cdot k_{39} \cdot x_{27} \cdot x_{28} / \left(x_{28} + k_{40}\right) + -1 \cdot k_{49} \cdot k_{41} \cdot x_{30} \cdot x_{29} / \left(x_{29} + k_{42}\right)\right) / k_{49}\\
\frac{dx_{30}}{dt} = 0 / k_{49}\\
\frac{dx_{31}}{dt} = 0 / k_{49}\\
\frac{dx_{32}}{dt} = 0 / k_{49}