
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Atkins, Baldwin, and Clark decided to take a trip. Their journey will cover 52 km. Atkins has a motorcycle with a sidecar for one passenger. He must take one of his friends a certain distance, drop him off to walk the rest of the way, return to pick up his other friend, and then continue the trip so that all three arrive at the destination at the same time. How can this be done?

The speed of the motorcycle is 20 km/h, Baldwin can walk at 5 km/h, and Clark can walk at 4 km/h. Naturally, everyone tries to move as quickly as possible without stopping during the journey.

Present the answer in LaTex format: \boxed{Your answer}
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