1/4 a^{c0,c1}_{a0,a1} b^{c2,a2}_{v0,v1} c^{a4}_{a3} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
+1/4 a^{c0,c1}_{a0,a1} b^{c2,a2}_{v0,v1} c^{a4}_{a3} lambda2^{a1,a3}_{a2,a4} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
+1/4 a^{c0,c1}_{a1,a2} b^{c2,a3}_{v0,v1} c^{a4}_{a0} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
+1/8 a^{c0,c1}_{a1,a2} b^{c2,a3}_{v0,v1} c^{a4}_{a0} lambda2^{a1,a2}_{a3,a4} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)