Alba, Bobo, Coco, and Dodo are in a relay race that has the following rules:
1. Two people on the team must run together from one side of the field to the other, carrying a baton.
2. One person on that sid of the field must carry the baton back.
The goal is to get all four people across the field.
Alba takes one minute to run across the field.
Bobo takes two minutes
Coco takes five minutes and
Dodo takes ten minutes
When two people run together they can only go as fast as the slower of the two runners.
What is the fastest all four runners can get to the other side of the field?
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