x_{32} = \operatorname{piecewise}(0, t < 0, 0)\\
x_{33} = \operatorname{piecewise}(0, t < 0, 1)\\
x_{34} = x_{2}\\
x_{35} = x_{6}\\
x_{36} = x_{8}\\
x_{37} = x_{10} + x_{12}\\
x_{38} = x_{11} + x_{12}\\
x_{39} = x_{15}\\
x_{40} = x_{17}\\
x_{41} = x_{19}\\
x_{42} = x_{21} + x_{23}\\
x_{43} = x_{22} + x_{23}\\
x_{44} = x_{25} + x_{27}\\
x_{45} = x_{26} + x_{27}\\
1 \cdot k_{61} \cdot x_{1} + 1 \cdot k_{61} \cdot x_{2} + 1 \cdot k_{61} \cdot x_{3} = k_{61} \cdot k_{62}\\
1 \cdot k_{61} \cdot x_{4} + 1 \cdot k_{61} \cdot x_{5} + 1 \cdot k_{61} \cdot x_{6} = k_{61} \cdot k_{63}\\
1 \cdot k_{61} \cdot x_{7} + 1 \cdot k_{61} \cdot x_{8} = k_{61} \cdot k_{64}\\
1 \cdot k_{61} \cdot x_{9} + 1 \cdot k_{61} \cdot x_{10} + 1 \cdot k_{61} \cdot x_{11} + 1 \cdot k_{61} \cdot x_{12} = k_{61} \cdot k_{65}\\
1 \cdot k_{61} \cdot x_{13} + 1 \cdot k_{61} \cdot x_{14} + 1 \cdot k_{61} \cdot x_{15} = k_{61} \cdot k_{66}\\
1 \cdot k_{61} \cdot x_{16} + 1 \cdot k_{61} \cdot x_{17} = k_{61} \cdot k_{67}\\
1 \cdot k_{61} \cdot x_{18} + 1 \cdot k_{61} \cdot x_{19} = k_{61} \cdot k_{68}\\
1 \cdot k_{61} \cdot x_{20} + 1 \cdot k_{61} \cdot x_{21} + 1 \cdot k_{61} \cdot x_{22} + 1 \cdot k_{61} \cdot x_{23} = k_{61} \cdot k_{69}\\
1 \cdot k_{61} \cdot x_{24} + 1 \cdot k_{61} \cdot x_{25} + 1 \cdot k_{61} \cdot x_{26} + 1 \cdot k_{61} \cdot x_{27} = k_{61} \cdot k_{70}\\
1 \cdot k_{61} \cdot x_{28} + 1 \cdot k_{61} \cdot x_{29} = k_{61} \cdot k_{71}\\
1 \cdot k_{61} \cdot x_{30} + 1 \cdot k_{61} \cdot x_{31} = k_{61} \cdot k_{72}