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  1. #N Pseudorandom LWSS generator with p46 logic
  2. #C A lightweight spaceship stream is emitted representing a
  3. #C pseudorandom binary sequence satisfying the recursion
  4. #C a[n] = a[n-1] EQV a[n-19].  (By spreading out the pattern, the 19
  5. #C can be changed.)  The sequence has period 413385, so the gun has
  6. #C period 46*413385 = 19015710.
  7. #C Built by Bill Gosper, October 1989 or earlier
  8. #C (Header by Dean Hickerson, 4/11/93)
  9. x = 167, y = 139
  10. 77b2o7b2o$77b2o6bo2b2o$76bo2bo4b6o$77b2obo5b4o$77b2obo2$77b2obo$77b2ob
  11. o5b4o$74b2ob3o4b6o11b2o$74bobobo6bo2b2o11b2o$75b4o7b2o$76b2o40$22b2o$
  12. 22b2o5$157b2o$157b2o5$23b2o3b2o5$21b2obo3bob2o$21bo2bo3bo2bo$22b3o3b3o
  13. 126b2o5b2o$156bobo5bobo$156bo2bo3bo2bo$157b2o5b2o5$22b2o$22b2o5$157b2o
  14. $157b2o9$2b2o$2b2o6$2b3o3b3o$bo2bo3bo2bo$bo3bobo3bo$2obobobobob2o$2ob
  15. 2o3b2ob2o69b2o$b3o5b3o69bo2b2o$49b2o30bo3bo$48bo2bo30bo2bo$48bo2bo30b
  16. 3o$49b3o$82b3o$9bo72bo2bo$8bobo58b2o10bo3bo10b2o$7bo3bo37b3o17b2o10bo
  17. 2b2o10b2o$7b5o24b2o10bo2bo11b2o17b2o$6bobobobo23b2o10bo2bo11b2o$7bo3bo
  18. 37b2o2$7bo3bo$6bobobobo$2b2o3b5o76b2o$2b2o3bo3bo75bobo$8bobo75b2obo$9b
  19. o38b3o3bo32b2o26b2o$46b5o2bobo32bo25b2ob2o$41bo3b2o3b2o3bo59bo2bo$36bo
  20. 3bo4b3o3bo2bo33bo26bo2bo$35bo8bob2o3b3o33b2o27b2o$35bo2b2o5bo32b2o6b2o
  21. bo$36b2o5bo2b2o3b3o24b2o7bobo26b2o$37b3o3b5o3bo2bo33b2o25bo2bo$45b2o3b
  22. 2o3bo12b2o45bo2bo6b2o$37b3o3b8o2bobo12b2o44b2ob2o6b2o$36b2o5bo2bob3o3b
  23. o60b2o$21b2o12bo2b2o5bo$21b2o12bo8b2o$36bo3bo$41bo!
  24.