-1/4 a^{c1,c2,a0}_{c0} b^{c3,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a-(c3) a-(c2) a-(c1)
-1/2 a^{c1,c2,a2}_{c0} b^{c3,a1}_{a0,a3} eta1^{a3}_{a2} a+(c0) a+(a0) a-(a1) a-(c3) a-(c2) a-(c1)
-1/4 a^{c0,c1,a0}_{c2} b^{c2,a3}_{a1,a2} a+(a1) a+(a2) a-(a3) a-(a0) a-(c1) a-(c0)
-1/4 a^{c0,c1,a0}_{c2} b^{c2,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a-(c1) a-(c0)
-1/2 a^{c0,c1,a2}_{c2} b^{c2,a1}_{a0,a3} eta1^{a3}_{a2} a+(a0) a-(a1) a-(c1) a-(c0)