{j1j2j31j3-1j2}=(-1)J⁢(2⁢(J+1)⁢(J-2⁢j1)⁢(J-2⁢j2)⁢(J-2⁢j3+1)2⁢j2⁢(2⁢j2+1)⁢(2⁢j2+2)⁢(2⁢j3-1)⁢2⁢j3⁢(2⁢j3+1))12,