1/2 a^{}_{c0,a0} b^{c0,a2,a3}_{a1} a+(a0) a+(a1) a-(a3) a-(a2)
+1/2 a^{}_{c0,a0} b^{c0,a2,a3}_{a1} lambda2^{a0,a1}_{a2,a3}
+1/2 a^{}_{c0,a0} b^{c1,a2,a3}_{a1} lambda2^{a0,a1}_{a2,a3} a+(c0) a-(c1)
-a^{}_{c0,a2} b^{c0,a1,a3}_{a0} gamma1^{a2}_{a3} a+(a0) a-(a1)
-a^{}_{c0,a2} b^{c1,a1,a3}_{a0} gamma1^{a2}_{a3} a+(c0) a+(a0) a-(a1) a-(c1)