Ordinal numbers

123456789101112
Across
  1. 1. 1st
  2. 3. 4th
  3. 5. 3rd
  4. 7. 6th
  5. 10. 11th
  6. 11. 9th
  7. 12. 8th
Down
  1. 2. 2nd
  2. 4. 12th
  3. 6. 5th
  4. 8. 7th
  5. 9. 10th