+ lorentz_g(
varidx(lst{x, -11*y, acos(2*x).series(x==3-5*I, 3)} * color_ONE()
* metric_tensor(varidx(log(cos(128.0/(x*y))), 5), varidx(2, 5)), zeta(3)),
- varidx(diag_matrix(lst{-1, Euler, atan(x/y==-15*I/17)})
+ varidx(diag_matrix({-1, Euler, atan(x/y==-15*I/17)})
* delta_tensor(idx(x, 2), idx(wild(7), 3)), zeta(3), true),
true
)