-1/2 a^{v1}_{v0} b^{v2}_{a0} c^{a2,a3}_{a1,v2} lambda2^{a0,a1}_{a2,a3} a+(v0) a-(v1)
+1/2 a^{v1}_{v0} b^{v2}_{a0} c^{a2,a3}_{a1,v3} lambda2^{a0,a1}_{a2,a3} a+(v0) a+(v3) a-(v2) a-(v1)
+a^{v1}_{v0} b^{v2}_{a2} c^{a1,a3}_{a0,v2} gamma1^{a2}_{a3} a+(a0) a+(v0) a-(v1) a-(a1)
+1/2 a^{v2}_{v0} b^{v1}_{a0} c^{a2,a3}_{a1,v2} lambda2^{a0,a1}_{a2,a3} a+(v0) a-(v1)
-a^{v2}_{v0} b^{v1}_{a2} c^{a1,a3}_{a0,v2} gamma1^{a2}_{a3} a+(a0) a+(v0) a-(v1) a-(a1)