diff --git a/clusters-pre b/clusters-pre
index 08db070..015f3d2 100644
--- a/clusters-pre
+++ b/clusters-pre
@@ -40,6 +40,18 @@ function createFace(faceId, photoId) {
   return div;
 }
 
+function shuffle(array) {
+  var i = array.length, tmp, random;
+  while (i > 0) {
+    random = Math.floor(Math.random() * i);
+    i--;
+    tmp = array[i];
+    array[i] = array[random];
+    array[random] = tmp;
+  }
+  return array;
+}
+
 document.addEventListener("DOMContentLoaded", (event) => {
   var div = document.createElement("div");
   div.textContent = "There are " + clusters.length + " clusters.";
@@ -57,6 +69,8 @@ document.addEventListener("DOMContentLoaded", (event) => {
     div.innerHTML = html;
     clusterBlock.appendChild(div);
     
+    shuffle(cluster);
+
     cluster.forEach((tuple, index) => {
       if (index >= 10) {
         return;