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  1. or download this
    perl -MData::Dumper -e '
    $Data::Dumper::Indent = 0; 
    $hoa = {a => [1,2],  'b'=>[1,3], c=> [2,0]}; 
    print Dumper $hoa; print "\n";'
    
  2. or download this
    $VAR1 = {
            'c' => [2,0],
            'a' => [1,2],
            'b' => [1,3]
           };