10 lines
240 B
Text
10 lines
240 B
Text
var seq = "_###_##_#_#_#_#__#__";
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var x = '';
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loop {
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seq.tr!('01', '_#');
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say seq;
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seq.tr!('_#', '01');
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seq.gsub!(/(?<=(.))(.)(?=(.))/, {|s1,s2,s3| s1 == s3 ? (s1 ? 1-s2 : 0) : s2});
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(x != seq) && (x = seq) || break;
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}
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