Ordinal numbers

12345678910111213
Across
  1. 3. 12th
  2. 5. 2nd
  3. 8. 7th
  4. 9. 10th
  5. 11. 3rd
  6. 12. 9th
  7. 13. 5th
Down
  1. 1. 6th
  2. 2. 4th
  3. 4. 1st
  4. 6. 8th
  5. 7. 11th
  6. 10. 13