BWT = Burrows-Wheeler_transform is a way to provide lossless compression by using the redundancy of repeated passages (like syllables in speech)

My guess is the OP is still trying to defy entropy and to improve the compression of his last problem.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In reply to Re^2: Problems with strings by LanX
in thread Problems with strings by baxy77bax

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