x_{26} = k_{60} \cdot x_{11} + k_{60} \cdot x_{13}\\ x_{27} = k_{61} \cdot x_{12} + k_{61} \cdot x_{13}\\ x_{28} = k_{65} \cdot x_{15}\\ x_{29} = k_{64} \cdot x_{18} + k_{64} \cdot x_{19}\\ x_{30} = k_{63} \cdot x_{17} + k_{63} \cdot x_{19}\\ x_{31} = k_{66} \cdot x_{25}\\ x_{32} = k_{68} \cdot x_{21} + k_{68} \cdot x_{23}\\ x_{33} = k_{67} \cdot x_{22} + k_{67} \cdot x_{23}\\ x_{34} = k_{62} \cdot x_{5}