use String::LCSS_XS qw[ lcss ];;

$a=''; $a .= chr 1<<$_ for 0 .. 63;;

print lcss( substr( $a, 10, 10 ), $a );;
ðÇÓáÇßÇÇÔÇÇõÇÇÞÇÇ­ÉÇÇ­áÇDZÇÇÇ&#8215;ÇÇÇ 0 13

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In reply to Re^42: Interleaving bytes in a string quickly by BrowserUk
in thread Interleaving bytes in a string quickly by BrowserUk

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