I believe the proper configuration is the hooked tentacles go in the 2, 6, 10 sockets, and the squiggly tentacles go in the 12, 4, 8 sockets. That way he can grab people with his "arms" (& his ..."junk"?) so to speak, and the squggly arms act as his 2 "legs" (and his ..."hat"?)
And the body...