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Roadmap exercise. (A) Low difficulty level (without map distractors and with a head as the blue icon to help with orientation); (B) medium level (with roundabouts, houses, and trees as distractors on the map and a dot as the blue icon [invisible person’s orientation]); (C) high level (with roundabouts, houses, trees, and one-way streets as distractors on the map and a dot as the blue icon [invisible person’s orientation]).
