x_{6} = k_{13} - x_{5}\\
x_{8} = x_{7} - x_{11}\\
x_{10} = x_{9} - x_{11}\\
x_{16} = x_{14} - x_{15}\\
x_{18} = k_{42} - x_{17}\\
x_{20} = k_{50} - x_{19}\\
x_{22} = \left(1 + k_{51} \cdot k_{52} \cdot x_{10}\right) / \left(1 + k_{52} \cdot x_{10}\right) \cdot k_{53}\\
x_{23} = k_{28} - x_{12} - x_{13}\\
x_{24} = k_{29} - x_{13}