The general structure of C<sup>3</sup>IAM<ref>Yi-Ming Wei, Rong Han, Qiao-Mei Liang, Bi-Ying Yu, Yun-Fei Yao, Mei-Mei Xue, Kun Zhang, Li-Jing Liu, Juan Peng, Pu Yang, Zhi-Fu Mi, Yun-Fei Du, Ce Wang, Jun-Jie Chang, Qian-Ru Yang, Zili Yang, Xueli Shi, We...