1. 4851.
    0
    up up up
    ···
  2. 4852.
    0
    up up up
    ···
  3. 4853.
    0
    up up up
    ···
  4. 4854.
    0
    up up up
    ···
  5. 4855.
    0
    up up up
    ···
  6. 4856.
    0
    up up up
    ···
  7. 4857.
    0
    up up up
    ···
  8. 4858.
    0
    up up up
    ···
  9. 4859.
    0
    up up up
    ···
  10. 4860.
    0
    up up up
    ···
  11. 4861.
    0
    up up up
    ···
  12. 4862.
    0
    up up up
    ···
  13. 4863.
    0
    up up up
    ···
  14. 4864.
    0
    up up up
    ···
  15. 4865.
    0
    up up up
    ···
  16. 4866.
    0
    up up up
    ···
  17. 4867.
    0
    up up up
    ···
  18. 4868.
    0
    up up up
    ···
  19. 4869.
    0
    up up up
    ···
  20. 4870.
    0
    up up up
    ···