j1j2j3j1-j1-m3m3=-1-j2+j3+m32j1!-j1+j2+j3!j1+j2+m3!j3-m3!j1+j2+j3+1!j1-j2+j3!j1+j2-j3!-j1+j2-m3!j3+m3!12.