-1/2 a^{c0,v0}_{a0,a2} b^{a4,a5}_{a1,a3} c^{v1}_{c1} lambda2^{a2,a3}_{a4,a5} a+(c1) a+(a0) a+(a1) a-(v1) a-(v0) a-(c0)
+1/4 a^{c0,v0}_{a2,a3} b^{a4,a5}_{a0,a1} c^{v1}_{c1} gamma1^{a3}_{a5} gamma1^{a2}_{a4} a+(c1) a+(a0) a+(a1) a-(v1) a-(v0) a-(c0)
+1/8 a^{c0,v0}_{a2,a3} b^{a4,a5}_{a0,a1} c^{v1}_{c1} lambda2^{a2,a3}_{a4,a5} a+(c1) a+(a0) a+(a1) a-(v1) a-(v0) a-(c0)