1/4 a^{}_{c0,c1,a0,a1} b^{c0,c1,a2}_{v0} a+(a0) a+(a1) a+(v0) a-(a2)
-1/2 a^{}_{c0,c1,a0,a1} b^{c0,c1,a2}_{v0} gamma1^{a1}_{a2} a+(a0) a+(v0)
-1/4 a^{}_{c0,c1,a0,a1} b^{c2,c3,a2}_{v0} gamma1^{a1}_{a2} a+(c0) a+(c1) a+(a0) a+(v0) a-(c3) a-(c2)
+1/2 a^{}_{c0,c2,a0,a1} b^{c1,c2,a2}_{v0} a+(c0) a+(a0) a+(a1) a+(v0) a-(a2) a-(c1)
-a^{}_{c0,c2,a0,a1} b^{c1,c2,a2}_{v0} gamma1^{a1}_{a2} a+(c0) a+(a0) a+(v0) a-(c1)