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