Example

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Across
  1. 3. You do it for fun in your free time
  2. 4. Relaxes your muscles
  3. 5. Overall well-being
  4. 6. What you eat to stay healthy
  5. 7. Worn on your wrist, tracks fitness
  6. 9. Long outdoor walk
Down
  1. 1. You walk or run on it in one place
  2. 2. You lift weights here
  3. 3. Help you hear better
  4. 8. Mobility device