I read many versions of the SAP weighting from all over the forums 1. 1s - 1, 2s - 2, 3s - 4, 4s - 4 2. 1s - 1, 2s - 2, 3s - 3, 4s - 4 3. As described by MasterP I hope Ellis or anyone knowledgeable about this can come forward and clarify which version is the final one?