Please note that you have an error in your code, you've got 01 for example displayed more than once, (I got obviously late in posting)
79.
$_=join'',('00'..'99');1while(s/(..)(.*)\1/$1$2/);1while(s/(.)\1\1/$1$1/);print
123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789
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75. (removed stupid parnes)
$_=join'','00'..'99';1while s/(..)(.*)\1/$1$2/;1while s/(.)\1\1/$1$1/;print
123456789 123456789 123456789 123456789 123456789 123456789 123456789 12345
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He who asks will be a fool for five minutes, but he who doesn't ask will remain a fool for life.
Chady | http://chady.net/ 