1. 997.
    0
    up up up
    ···
  2. 996.
    0
    up up up
    ···
  3. 995.
    0
    up up up
    ···
  4. 994.
    0
    up up up
    ···
  5. 993.
    0
    up up up
    ···
  6. 992.
    0
    up up up
    ···
  7. 991.
    0
    up up up
    ···
  8. 990.
    0
    up up up
    ···
  9. 989.
    0
    up up up
    ···
  10. 988.
    0
    up up up
    ···
  11. 987.
    0
    up up up
    ···
  12. 986.
    0
    up up up
    ···
  13. 985.
    0
    up up up
    ···
  14. 984.
    0
    up up up
    ···
  15. 983.
    0
    up up up
    ···
  16. 982.
    0
    up up up
    ···
  17. 981.
    0
    up up up
    ···
  18. 980.
    0
    up up up
    ···
  19. 979.
    0
    up up up
    ···
  20. 978.
    0
    up up up
    ···