PHP/shuffle()

13 2 10 14 11
27 25 29 26 23
39 45 FREE 42 36
49 48 52 58 54
61 69 68 73 67
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);
}