1 \cdot x_{4} + 1 \cdot x_{10} = k_{23}\\
1 \cdot x_{5} + 1 \cdot x_{11} = k_{24}\\
1 \cdot x_{6} + 1 \cdot x_{12} = k_{25}\\
1 \cdot x_{8} + 1 \cdot x_{21} + 1 \cdot x_{22} + 1 \cdot x_{23} + 1 \cdot x_{24} + 1 \cdot x_{25} + 1 \cdot x_{39} = k_{26}