1/4 a^{a1}_{a0} b^{c0,a4}_{a2,a3} c^{c2,c3}_{c1,v0} lambda2^{a2,a3}_{a1,a4} a+(c1) a+(a0) a+(v0) a-(c3) a-(c2) a-(c0)
-1/2 a^{a2}_{a1} b^{c0,a4}_{a0,a3} c^{c2,c3}_{c1,v0} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c1) a+(a0) a+(v0) a-(c3) a-(c2) a-(c0)
-1/2 a^{a2}_{a1} b^{c0,a4}_{a0,a3} c^{c2,c3}_{c1,v0} lambda2^{a1,a3}_{a2,a4} a+(c1) a+(a0) a+(v0) a-(c3) a-(c2) a-(c0)