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