Travelling Salesman in a Grid

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    Printed travel mugs are both functional and customizable, perfect for enjoying beverages on the go. Featuring "Travelling Salesman in a Grid" on these mugs can appeal to fans of problem-solving and optimization. By combining the everyday utility of travel mugs with a nod to the classic mathematical problem, you create a unique and engaging item that sparks interest and conversation while keeping your drink hot during your travels.