j1j2j31j3-1j2=-1J⁢2⁢J+1⁢J-2⁢j1⁢J-2⁢j2⁢J-2⁢j3+12⁢j2⁢2⁢j2+1⁢2⁢j2+2⁢2⁢j3-1⁢2⁢j3⁢2⁢j3+112,