a^{a1,v1}_{a0,v0} b^{v3}_{v2} c^{a3}_{a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(v0) a+(v2) a-(v3) a-(v1)
+a^{a1,v1}_{a0,v0} b^{v3}_{v2} c^{a3}_{a2} lambda2^{a0,a2}_{a1,a3} a+(v0) a+(v2) a-(v3) a-(v1)
+a^{a1,v2}_{a0,v0} b^{v1}_{v2} c^{a3}_{a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(v0) a-(v1)
+a^{a1,v2}_{a0,v0} b^{v1}_{v2} c^{a3}_{a2} lambda2^{a0,a2}_{a1,a3} a+(v0) a-(v1)
+a^{a2,v2}_{a0,v0} b^{v1}_{v2} c^{a1}_{a3} eta1^{a3}_{a2} a+(a0) a+(v0) a-(v1) a-(a1)
-a^{a0,v2}_{a2,v0} b^{v1}_{v2} c^{a3}_{a1} gamma1^{a2}_{a3} a+(a1) a+(v0) a-(v1) a-(a0)