use strict;
my $string = shift @ARGV || 'space';
my $length = length $string;
$string .= $string;
for my $start (0 .. $length-1) {
    print substr($string, $start, $length), "\n";
}

[download]
Uses twice as much space, but could save time if moving characters around is expensive.

In reply to Re: PUZZLED by redcloud
in thread PUZZLED by Anonymous Monk

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