Four dogs in a square with two distinct distances

How many ways can four dogs be arranged in a square so that the
six distances between pairs ofthem take on only two different values?

It's funning(Pictures were provided by wayne ):

Four dogs in a square with two distinct distances

Four dogs in a square with two distinct distances

Four dogs in a square with two distinct distances

Four dogs in a square with two distinct distances

Four dogs in a square with two distinct distances

Four dogs in a square with two distinct distances

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