815193.fig.003a
(a) T1
815193.fig.003b
(b) T2
815193.fig.003c
(c) T3
815193.fig.003d
(d) Tc4
815193.fig.003e
(e) Ta5
815193.fig.003f
(f) Ti6
Figure 3: The comparison of the convergent speed on different instances.