a^{c0,a1}_{a0,v0} b^{a2}_{v1} c^{c1,v2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v0) a+(v1) a-(v2) a-(c1) a-(c0)
+1/2 a^{c0,a1}_{a0,v0} b^{a2}_{v1} c^{c1,v2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v0) a+(v1) a-(v2) a-(c1) a-(c0)
-a^{c0,a2}_{a1,v0} b^{a3}_{v1} c^{c1,v2}_{a0,a4} eta1^{a4}_{a2} gamma1^{a1}_{a3} a+(a0) a+(v0) a+(v1) a-(v2) a-(c1) a-(c0)
-a^{c0,a2}_{a1,v0} b^{a3}_{v1} c^{c1,v2}_{a0,a4} lambda2^{a1,a4}_{a2,a3} a+(a0) a+(v0) a+(v1) a-(v2) a-(c1) a-(c0)