2.96 0.0 1.25  ! R₀,z₀,a,  where ρ_p(R, z) = √[(R - R₀)² + (z - z₀)²]/a  (m)
6              ! B₀,       where B_φ(R) = B₀ R₀/R  (T)
3.5 10 2       ! q₀,q₁,α,  where q(ρ_p) = q₀ + (q₁-q₀)ρ_p^α
0              ! number of points in the limiter contourn, (R,z) pairs

! Notes:
! 1. use B₀>0 for clockwise B_φ
! 2. use q₀,q₁<0 for clockwise I_p,B_φ