-1/2 a^{c0,c1}_{a1,v0} b^{a0,a3}_{a2,v1} c^{a4}_{c2} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)
-1/2 a^{c0,c1}_{a1,v0} b^{a0,a3}_{a2,v1} c^{a4}_{c2} lambda2^{a1,a2}_{a3,a4} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)
-1/4 a^{c0,c1}_{a1,v0} b^{a3,a4}_{a2,v1} c^{a0}_{c2} lambda2^{a1,a2}_{a3,a4} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)