1. 63.
    0
    up up up
    ···
  2. 62.
    0
    up up up
    ···
  3. 61.
    0
    up up up
    ···
  4. 60.
    0
    up up up
    ···
  5. 59.
    0
    up up up
    ···
  6. 58.
    0
    up up up
    ···
  7. 57.
    0
    up up up
    ···
  8. 56.
    0
    up up up
    ···
  9. 55.
    0
    up up up
    ···
  10. 54.
    0
    up up up
    ···
  11. 53.
    0
    up up up
    ···
  12. 52.
    0
    up up up
    ···
  13. 51.
    0
    up up up
    ···
  14. 50.
    0
    up up up
    ···
  15. 49.
    0
    up up up
    ···
  16. 48.
    0
    up up up
    ···
  17. 47.
    0
    up up up
    ···
  18. 46.
    0
    up up up
    ···
  19. 45.
    0
    up up up
    ···
  20. 44.
    0
    up up up
    ···