Periodic Respiration Challenge

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Across
  1. 4. 49-16-15-77-99
  2. 6. 52-73-7-92-16
  3. 9. 15-75-16-16-92-75
  4. 11. 35-8-7-6-1-76-27-15-39
  5. 12. 16-1-8-6-19
  6. 13. 13-27-67-3-6
  7. 15. 15-1-39-14-55
Down
  1. 1. 1-39-15-68-52-7-14-8-7
  2. 2. 1-39-15-68-20-37-53-6
  3. 3. 6-39-16-22-6-9-53-35-76-53-16
  4. 5. 23-77-92-16
  5. 7. 34-15-22-6
  6. 8. 15-10-92-42-16
  7. 10. 45-8-7-6-1-53
  8. 14. 76-42-14-16