1/4 a^{c0,c1}_{a0,a1} b^{}_{} c^{a3,a4}_{a2,v0} lambda2^{a1,a2}_{a3,a4} a+(a0) a+(v0) a-(c1) a-(c0)
+1/4 a^{c0,c1}_{a1,a2} b^{}_{} c^{a3,a4}_{a0,v0} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(a0) a+(v0) a-(c1) a-(c0)
+1/8 a^{c0,c1}_{a1,a2} b^{}_{} c^{a3,a4}_{a0,v0} lambda2^{a1,a2}_{a3,a4} a+(a0) a+(v0) a-(c1) a-(c0)