Date: Jun 28, 2013 3:49 PM Author: Guest Subject: Prime Multigrade Theorem.By Aiya-Oba 1^2 + 2^2...+ 12^2 = 11^2 + 23^2= 1^2+2^2+3^2+4^2+5^2+6^2+7^2+8^2+9^2+10^2+11^2+12^2 = 11^2 + 23^2=650 = 11^2 + 23^2.-Aiya-Oba (Philosopher)