Number

12345678910
Across
  1. 2. 15 + 5
  2. 3. Between 15 and 17
  3. 5. number before 15
  4. 6. after 14
  5. 9. Before 14
  6. 10. 19 - 1
Down
  1. 1. 3 step before 20
  2. 4. 24 - 5
  3. 7. Number between 11 and 13
  4. 8. number after 10