86 lines
1.1 KiB
Plaintext
86 lines
1.1 KiB
Plaintext
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#Life 1.05
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#D Crystal&decay 2700
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#D
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#D A p150 gun fires at a pair of pentadecathlons. When the first glider
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#D hits the PDs, it is reflected back and hits the second, forming a
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#D honey farm. Subsequent gliders form a crystal growing upstream. When
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#D the crystal reaches an eater near the gun, it begins to decay.
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#D When it's all gone, the cycle begins again.
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#D
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#D The period of this pattern is 2700, but by moving the PDs, any period
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#D of the form 750 + 1950n (n>=0) can be obtained.
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#D Dean Hickerson, dean@ucdmath.ucdavis.edu 3/27/90
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#N
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#P -14 -23
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**
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**
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#P -17 -19
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...*
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..***
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.*...*
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...*
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*.....*
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*.....*
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.*...*
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..***
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#P -19 2
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**...**
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.
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.*...*
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..***
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..***
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#P -16 11
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**
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**
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#P -4 -13
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**
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**
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#P 5 -16
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**
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*.*
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.***
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..***
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.***
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*.*
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**
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#P 17 -14
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....*
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.****
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****
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*..*
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****
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.****
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....*
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#P 30 -11
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**
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**
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#P 13 9
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...*
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.***
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*
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**
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#P 1 19
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**
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*
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.***
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...*
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#P 45 47
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..**......**
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.*..*....*..*
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******..******
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.*..*....*..*
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..**......**
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#P 40 59
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***
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*.*
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***
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***
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***
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***
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*.*
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***
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#P -14 -4
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..*
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*.*
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.**
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