Presidential succesion

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Across
  1. 6. 9th president
  2. 7. 1st president
  3. 10. 11th president
  4. 11. 12th president
  5. 12. 3rd president
Down
  1. 1. 6th president
  2. 2. 8th president
  3. 3. 5th president
  4. 4. 4th president
  5. 5. 7th president
  6. 8. 2nd president
  7. 9. 10th president