1♦-(1♠)-DBL-(3♦!)
Pass-(4♠)-??
This can easily go -2 if you can get some ♦ ruffs; Do you DBL if that is penalty?
PS1:...Do you DBL if it is penalty like (partner can run without ♠ and a min hand
PS: Do you think it is best to play DBL as penalty here, or is it better to play it as take-out. eg for hands with 1=4=3=5...?

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