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1769 yogev_ezra 1
#Life 1.05
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#D 4-bit binary counter
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#D A p736 (= 46 * 2^4) gun based on 4 boat-bits which form a binary
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#D counter.  (A boat-bit is a memory device in which a bit of
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#D information is represented as the presence or absence of a boat
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#D adjacent to a snake (or eater or beacon or ...).  Hitting the
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#D boat-bit with a glider changes its state.  The transition from
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#D 1 to 0 can be detected by another glider.)
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#D Dean Hickerson, dean@ucdmath.ucdavis.edu  2/9/90
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#N
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