Circle-Packings/fractal_dimension/circle_counting_new/data/platonic_solids/octahedron.txt

{{1, -1, -1, -1, -1, -3}, {-1, 1, -1, -1, -3, -1}, {-1, -1, 
  1, -3, -1, -1}, {-1, -1, -3, 1, -1, -1}, {-1, -3, -1, -1, 
  1, -1}, {-3, -1, -1, -1, -1, 1}}

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