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