1. 60.
    0
    up u pu pup
    ···
  2. 59.
    0
    upu pu pupup
    ···
  3. 58.
    0
    upu pu pupup
    ···
  4. 57.
    0
    up upu pup
    ···
  5. 56.
    0
    uppu pupup
    ···
  6. 55.
    0
    up upupup
    ···
  7. 54.
    0
    u pup upu
    ···
  8. 53.
    0
    up upu pu p
    ···
  9. 52.
    0
    up upupup
    ···
  10. 51.
    0
    u pu pupup
    ···
  11. 50.
    0
    up u pupup
    ···
  12. 49.
    0
    up upupup
    ···
  13. 48.
    0
    up upupup
    ···
  14. 47.
    0
    u pupupup
    ···
  15. 46.
    0
    upu upup up
    ···
  16. 45.
    0
    uop u pupup
    ···
  17. 44.
    0
    upupupupyup up up
    ···
  18. 43.
    0
    up upu pu
    ···
  19. 42.
    0
    up upupu
    ···
  20. 41.
    0
    u puu pup
    ···