1/2 a^{a1}_{c0,c1,a0} b^{c3,a3}_{c2,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c1) a+(c2) a-(c3)
+1/2 a^{a1}_{c0,c1,a0} b^{c3,a3}_{c2,a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c1) a+(c2) a-(c3)
+1/2 a^{a2}_{c0,c1,a0} b^{c3,a1}_{c2,a3} eta1^{a3}_{a2} a+(c0) a+(c1) a+(c2) a+(a0) a-(a1) a-(c3)
-1/2 a^{a0}_{c0,c1,a2} b^{c3,a3}_{c2,a1} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(c2) a+(a1) a-(a0) a-(c3)
-a^{a1}_{c0,c2,a0} b^{c2,a3}_{c1,a2} a+(c0) a+(c1) a+(a0) a+(a2) a-(a3) a-(a1)
-a^{a1}_{c0,c2,a0} b^{c2,a3}_{c1,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c1)
-a^{a1}_{c0,c2,a0} b^{c2,a3}_{c1,a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c1)
-a^{a2}_{c0,c2,a0} b^{c2,a1}_{c1,a3} eta1^{a3}_{a2} a+(c0) a+(c1) a+(a0) a-(a1)
+a^{a0}_{c0,c2,a2} b^{c2,a3}_{c1,a1} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(a1) a-(a0)