1. 3351.
    0
    up up up
    ···
  2. 3352.
    0
    up up up
    ···
  3. 3353.
    0
    up up up
    ···
  4. 3354.
    0
    up up up
    ···
  5. 3355.
    0
    up up up
    ···
  6. 3356.
    0
    up up up
    ···
  7. 3357.
    0
    up up up
    ···
  8. 3358.
    0
    up up up
    ···
  9. 3359.
    0
    up up up
    ···
  10. 3360.
    0
    up up up
    ···
  11. 3361.
    0
    up up up
    ···
  12. 3362.
    0
    up up up
    ···
  13. 3363.
    0
    up up up
    ···
  14. 3364.
    0
    up up up
    ···
  15. 3365.
    0
    up up up
    ···
  16. 3366.
    0
    up up up
    ···
  17. 3367.
    0
    up up up
    ···
  18. 3368.
    0
    up up up
    ···
  19. 3369.
    0
    up up up
    ···
  20. 3370.
    0
    up up up
    ···