(2⁢j1+1)⁢((J3+J2-J1)⁢(L3+L2-J1)-2⁢(J3⁢L3+J2⁢L2-J1⁢L1))⁢{j1j2j3l1l2l3}=j1⁢E⁡(j1+1)⁢{j1+1j2j3l1l2l3}+(j1+1)⁢E⁡(j1)⁢{j1-1j2j3l1l2l3},