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               Rate      rg0now     ikegami levenshtein      blazar   
+BrowserUk
rg0now       8801/s          --        -57%        -82%        -87%   
+     -87%
...
levenshtein 47786/s        443%        134%          --        -28%   
+     -30%
blazar      66258/s        653%        225%         39%          --   
+      -4%
BrowserUk   68683/s        680%        236%         44%          4%   
+       --

use strict;
use warnings;
...
    'levenshtein' => sub {for(@data) {compare_levenshtein(@$_)} },
});