-1/4 a^{c2,v0}_{c0,c1} b^{c3,a2}_{a0,a1} c^{a3}_{c4} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c1) a+(c4) a-(v0) a-(c3) a-(c2)
-1/2 a^{c1,v0}_{c0,c3} b^{c3,a2}_{a0,a1} c^{a3}_{c2} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c2) a-(v0) a-(c1)
+a^{c1,v0}_{c0,c3} b^{c3,a1}_{a0,a2} c^{a3}_{c2} gamma1^{a2}_{a3} a+(c0) a+(c2) a+(a0) a-(v0) a-(a1) a-(c1)