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