Mit gedrehtem First
\(\small X0= \left\{ \left(-4, -4, 0 \right), \left(4, -4, 0 \right), \left(4, 4, 0 \right), \left(-4, 4, 0 \right), \left(0, 4, 5 \right), \left(0, -4, 5 \right) \right\} \)
\(\small X0'= \left\{ \left(-4, -4, 0 \right), \left(4, -4, 0 \right), \left(4, 4, 0 \right), \left(-4, 4, 0 \right), \left(\frac{-25}{4}, \frac{-7}{2}, 0 \right), \left(\frac{-25}{4}, \frac{-23}{2}, 0 \right) \right\} \)