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Figure 3

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Three critical points, μ 1 = 3.5, μ 2 = 3.2, θ 1 = 1.2, θ 2 = 1.5, w 11 = w 12 = w 22 = 1, w 21 = 2.
Three critical points, μ 1 = 3.5, μ 2 = 3.2, θ 1 = 1.2, θ 2 = 1.5, w 11 = w 12 = w 22 = 1, w 21 = 2.