-1/8 a^{c2,c3}_{c0,c1} b^{a0}_{c4} c^{c4,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c1) a-(c3) a-(c2)
-1/8 a^{c2,c3}_{c0,c1} b^{a0}_{c4} c^{c5,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c1) a+(c4) a-(c5) a-(c3) a-(c2)
-1/4 a^{c2,c3}_{c0,c1} b^{a2}_{c4} c^{c4,a1}_{a0,a3} eta1^{a3}_{a2} a+(c0) a+(c1) a+(a0) a-(a1) a-(c3) a-(c2)
+1/4 a^{c1,c2}_{c0,c4} b^{a0}_{c3} c^{c4,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c3) a-(c2) a-(c1)
+1/2 a^{c1,c2}_{c0,c4} b^{a2}_{c3} c^{c4,a1}_{a0,a3} eta1^{a3}_{a2} a+(c0) a+(c3) a+(a0) a-(a1) a-(c2) a-(c1)