In all three figures σ = 0.1 and, from top to bottom: αGS = 1, 0.8, 0.6, 0.4, 0.2, 0. The starting probabilities at the right end point of the p-axis are (a) pj = 0.05 for j ≠ 0, (b) pG = 0.2, pGL = 0.1, pj = 0.05 for j ≠ {0,G,GL} and in (c) pG = 0.5, pGL = 0.2, pj = 0.05 for j ≠ {G,GL}.