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Fig. B.1.

Fig. B.1. Refer to the following caption and surrounding text.

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Filters for computing ⟨M4⟩(θ), ⟨M*M3⟩(θ), and ⟨M*2M2⟩(θ) in terms of the 4PCF, as in Eq. (27); (Left) for given ψ12 and ψ23 combinations with the third radial variable fixed at ϑ3 = θ and (Right) for given radial combinations. Logarithmic contours with the minimum at 10−15 and a factor of five between them. Purple contours are positive values, green contours are negative ones.

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