{{1, -1, -3., -1, -1, -3.82842712474619, -3.82842712474619, -1}, 
{-1, 1, -1, -3., -1, -1, -3.82842712474619, -3.82842712474619}, 
{-3., -1, 
  1, -1, -3.82842712474619, -1, -1, -3.82842712474619}, {-1, -3., 
-1, 1, -3.82842712474619, -3.82842712474619, -1, -1}, {-1, -1, 
-3.82842712474619, -3.82842712474619, 
  1, -1, -3., -1}, {-3.82842712474619, -1, -1, -3.82842712474619, 
-1, 1, -1, -3.}, {-3.82842712474619, -3.82842712474619, -1, -1, 
-3., -1, 
  1, -1}, {-1, -3.82842712474619, -3.82842712474619, -1, -1, -3., 
-1, 1}}

{{0, 1, 4}, {0, 3, 2, 1}, {0, 4, 7}, {0, 7, 3}, {1, 2, 5}, {1, 5, 
  4}, {2, 3, 6}, {2, 6, 5}, {3, 7, 6}, {4, 5, 6, 7}}