No
A single tour is supposed to run about 2 hours. You are not allowed to wander the inside without a guide. So I would plan on two hours.
You can tour the inside in 30 minutes if you are quick or can spend couple of hours if you stop to learn about the details on how the family lived. First time I visited I got the guided tour. Second time it was winter festival and was open house and included access to nearby structures.
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