a^{v1}_{a1} b^{a0}_{v0} c^{a2}_{v1} gamma1^{a1}_{a2} a+(v0) a-(a0)
-a^{v1}_{a1} b^{a2}_{v0} c^{a0}_{v1} gamma1^{a1}_{a2} a+(v0) a-(a0)
-a^{v1}_{a1} b^{a0}_{v1} c^{a2}_{v0} gamma1^{a1}_{a2} a+(v0) a-(a0)
+a^{v1}_{a1} b^{a2}_{v1} c^{a0}_{v0} gamma1^{a1}_{a2} a+(v0) a-(a0)