©

• 1. (1, 0, 0, 0)                & all permutations, all changes of sign
     (vertex inscribed q-hex)
  2. (1/2, 1/2, 1/2, 1/2)   & all permutations, all changes of sign
     (vertex inscribed tes)
• or just   (1/sqrt(2), 1/sqrt(2), 0, 0)   & all permutations, all changes of sign
  (in dual ico positioning)