p 20.0 deg1 critical r 0.477513 a* 0.9110 (sup at rc: 1.000000001)
p 25.0 deg1 critical r 0.469214 a* 0.9370 (sup at rc: 1.000000001)
p 30.0 deg1 critical r 0.463165 a* 0.9519 (sup at rc: 1.000000003)
