npm := {{\[Gamma], \[Beta], \[Delta], \[Epsilon], \[Alpha], \
\[Epsilon], \[Delta], \[Beta], \[Gamma]}, {\[Beta], \[Epsilon], \
\[Epsilon], \[Beta], 
    0, -\[Beta], -\[Epsilon], -\[Epsilon], -\[Beta]}, {\[Delta], \
\[Epsilon], \[Gamma], -\[Beta], -\[Alpha], -\[Beta], \[Gamma], \
\[Epsilon], \[Delta]}, {\[Epsilon], \[Beta], -\[Beta], -\[Epsilon], 
    0, \[Epsilon], \[Beta], -\[Beta], -\[Epsilon]}, {\[Alpha], 
    0, -\[Alpha], 0, \[Alpha], 0, -\[Alpha], 
    0, \[Alpha]}, {\[Epsilon], -\[Beta], -\[Beta], \[Epsilon], 
    0, -\[Epsilon], \[Beta], \[Beta], -\[Epsilon]}, {\[Delta], -\
\[Epsilon], \[Gamma], \[Beta], -\[Alpha], \[Beta], \[Gamma], -\
\[Epsilon], \[Delta]}, {\[Beta], -\[Epsilon], \[Epsilon], -\[Beta], 
    0, \[Beta], -\[Epsilon], \[Epsilon], -\[Beta]}, {\[Gamma], -\
\[Beta], \[Delta], -\[Epsilon], \[Alpha], -\[Epsilon], \[Delta], -\
\[Beta], \[Gamma]}};