This balanced set of ten spheres must be arranged in the tetra in such a way that there is symmetry between positive and negative types. This type is referred to as charge . There are three types of charges as described earlier. The spheres have but positive and negative, there is no neutral charge to spheres. Like charges repulse each other.
Opposite charges attract each other.
To find this form, we must use another ancient symbol. The square is three by three, for a total of nine smaller squares. All the digits from one to nine are represented once. In this order shown, any three digits added together in a row, whether horizontally, vertically, or diagonally, will have the sum of 15. This is the Square of Three .