1/4 a^{}_{c0,c1,a0,a1} b^{c3,a2,a3}_{c2} gamma1^{a1}_{a3} gamma1^{a0}_{a2} a+(c0) a+(c1) a+(c2) a-(c3)
+1/8 a^{}_{c0,c1,a0,a1} b^{c3,a2,a3}_{c2} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c1) a+(c2) a-(c3)
+1/2 a^{}_{c0,c1,a0,a2} b^{c3,a1,a3}_{c2} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(c2) a+(a0) a-(a1) a-(c3)
-1/4 a^{}_{c0,c2,a0,a1} b^{c2,a2,a3}_{c1} a+(c0) a+(c1) a+(a0) a+(a1) a-(a3) a-(a2)
-1/2 a^{}_{c0,c2,a0,a1} b^{c2,a2,a3}_{c1} gamma1^{a1}_{a3} gamma1^{a0}_{a2} a+(c0) a+(c1)
-1/4 a^{}_{c0,c2,a0,a1} b^{c2,a2,a3}_{c1} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c1)
-a^{}_{c0,c2,a0,a2} b^{c2,a1,a3}_{c1} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(a0) a-(a1)