PHP/shuffle()

11 5 12 4 9
22 26 19 25 29
41 35 FREE 39 36
56 48 54 51 53
68 74 67 72 65
PHP 
$numbers = [];
	
for($i=0; $i<5; $i++){
  $col = range($i*15+1, $i*15+15);
  shuffle($col);
  $numbers[$i] = array_slice($col, 0, 5);
}

$numbers[2][2] = "FREE";

function h($s){
  return htmlspecialchars($s);
}