Untitled

<!doctype html>
<html>
 <meta charset="UTF-8">
 <body>
	 <div id="opt"></div>
  <script>
   var i, j, k, l, t=0; var s="";
   for (i = 0; i < 10; i++) {
    for (j = 0; j < 10; j++) {
     for (k = 0; k < 10; k++) {
      for (l = 0; l < 10; l++) {
						 if(i+j+k+l>19 && i+j+k+l<21) {
							 t++;
							 s=s+t+" "+i+" "+j+" "+k+" "+l+"<br>";
							}
      }
     }
    }
   }
			document.getElementById("opt").innerHTML = s;
  </script>
 </body>
</html>