k=3 beta=1 feasible samples=3075  max (Phi-G)/G = -6.0158e-03
    worst chain quiddities: [np.float64(1.992), np.float64(1.0067), np.float64(2.976)]
k=3 beta=0.3 feasible samples=3123  max (Phi-G)/G = -1.7020e-03
    worst chain quiddities: [np.float64(2.009), np.float64(1.9774), np.float64(1.0122)]
k=3 beta=3 feasible samples=2995  max (Phi-G)/G = -2.0962e-03
    worst chain quiddities: [np.float64(1.0057), np.float64(1.9918), np.float64(1.9995)]
k=3 beta=0.05 feasible samples=3049  max (Phi-G)/G = -3.4329e-04
    worst chain quiddities: [np.float64(2.9892), np.float64(1.0022), np.float64(1.9989)]
k=3 beta=20 feasible samples=3097  max (Phi-G)/G = -6.1773e-04
    worst chain quiddities: [np.float64(1.0065), np.float64(1.9925), np.float64(1.9956)]
