-1/2 a^{c0,a2}_{a0,a1} b^{c1,v0}_{a3,a4} c^{a5}_{c2} eta1^{a3}_{a2} gamma1^{a4}_{a5} a+(c2) a+(a0) a+(a1) a-(v0) a-(c1) a-(c0)
+1/4 a^{c0,a2}_{a0,a1} b^{c1,v0}_{a3,a4} c^{a5}_{c2} lambda2^{a3,a4}_{a2,a5} a+(c2) a+(a0) a+(a1) a-(v0) a-(c1) a-(c0)
-a^{c0,a3}_{a0,a2} b^{c1,v0}_{a1,a4} c^{a5}_{c2} eta1^{a4}_{a3} gamma1^{a2}_{a5} a+(c2) a+(a0) a+(a1) a-(v0) a-(c1) a-(c0)
-a^{c0,a3}_{a0,a2} b^{c1,v0}_{a1,a4} c^{a5}_{c2} lambda2^{a2,a4}_{a3,a5} a+(c2) a+(a0) a+(a1) a-(v0) a-(c1) a-(c0)
+1/4 a^{c0,a4}_{a2,a3} b^{c1,v0}_{a0,a1} c^{a5}_{c2} lambda2^{a2,a3}_{a4,a5} a+(c2) a+(a0) a+(a1) a-(v0) a-(c1) a-(c0)