DS 1. AC: north DS 2. AD: near-north DS 3. BC: north DS 4. BD: near-north NDS 5. CC: north NDS 6. CD: near-north NDS 7. CE: near-north NDS 8. DC: near-north NDS 9. DD: far-west NDS 10. ACC: north NDS 11. ACE: near-north NDS 12. ADC: near-north NDS 13. BCC: north NDS 14. BCE: near-north NDS 15. BDC: far-west NDS 16. BDE: far-west NDS 17. CCC: north NDS 18. CCE: near-north NDS 19. CDC: near-north NDS 20. CDE: far-west NDS 21. CEC: near-north NDS 22. CEE: far-west NDS 23. DCC: near-north NDS 24. DCE: far-west NDS 25. DDC: far-west DS 26. CC: north DS 27. CD: near-north DS 28. CE: near-north DS 29. DC: near-north DS 30. DD: far-west DS 31. ACC: north DS 32. ACE: near-north DS 33. ADC: near-north DS 34. BCC: north DS 35. BCE: near-north DS 36. BDC: far-west DS 37. BDE: far-west DS 38. CCC: north DS 39. CCE: near-north DS 40. CDC: near-north DS 41. CDE: far-west DS 42. CEC: near-north DS 43. CEE: far-west DS 44. DCC: near-north DS 45. DCE: far-west DS 46. DDC: far-west