ARC Door Hanger Spacing

[AMT]

Got some ARC door hangers and looking to mount them in a tight spot. Will be inside the house; not adequate space on garage walls. Be in my oldest son’s room. He’s excited for the new wall decor.
Looking to do a stacked 4x4 pattern. Think same side front and back on each row will be the tightest fit.

Front Driver x Rear Driver

Front Pass x Rear Pass

Anyone know the smallest “stacking” dimensions?

Thanks.

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