The three pieces of this challenging puzzle each have a spiral body. When assembled, the pieces form a unified flat object. To undo this complex entanglement, it'll be necessary to unbind them three-dimensionally. Here's a small hint: think "crest."
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.