1. exec "crash1"
  2. wait
  3. wait
  4. wait
  5. wait
  6. wait
  7. exec "crash2"
  8. wait
  9. wait
  10. wait
  11. wait
  12. wait
  13. exec "crash1"
  14. wait
  15. wait
  16. wait
  17. wait
  18. wait
  19. exec "crash2"
  20. wait
  21. wait
  22. wait
  23. wait
  24. wait
  25. exec "crash1"
  26. wait
  27. wait
  28. wait
  29. wait
  30. wait
  31. exec "crash2"
  32. wait
  33. wait
  34. wait
  35. wait
  36. wait
  37. exec "crash1"
  38. wait
  39. wait
  40. wait
  41. wait
  42. wait
  43. exec "crash2"
  44. bind "n" "crash1;crash2"