How to Save a Single Journey

The first person passes to the next person they keep one they pass it on. You get all the way around until you've got three people left who haven't got any cookies yet. The last two people swap with each other and save a single journey. But as you have more people, the number of journeys increases consistently,. but the savings don't. So potentially it's not worth it. If you're trying to wrangle 30 students, the added complication of explaining how to save one journey to go from 57 to 56 might not be worth it.