diff --git a/sketch.js b/sketch.js
index c3a01ac..077be81 100644
--- a/sketch.js
+++ b/sketch.js
@@ -16,24 +16,28 @@ function setup() {
   createCanvas(800, 800);
 
   // Loaded and created the tiles
-  tiles[0] = new Tile(tileImages[0], ["AAA", "AAA", "AAA", "AAA"]);
-  tiles[1] = new Tile(tileImages[1], ["BBB", "BBB", "BBB", "BBB"]);
-  tiles[2] = new Tile(tileImages[2], ["BBB", "BCB", "BBB", "BBB"]);
-  tiles[3] = new Tile(tileImages[3], ["BBB", "BDB", "BBB", "BDB"]);
-  tiles[4] = new Tile(tileImages[4], ["ABB", "BCB", "BBA", "AAA"]);
-  tiles[5] = new Tile(tileImages[5], ["ABB", "BBB", "BBB", "BBA"]);
-  tiles[6] = new Tile(tileImages[6], ["BBB", "BCB", "BBB", "BCB"]);
-  tiles[7] = new Tile(tileImages[7], ["BDB", "BCB", "BDB", "BCB"]);
-  tiles[8] = new Tile(tileImages[8], ["BDB", "BBB", "BCB", "BBB"]);
-  tiles[9] = new Tile(tileImages[9], ["BCB", "BCB", "BBB", "BCB"]);
-  tiles[10] = new Tile(tileImages[10], ["BCB", "BCB", "BCB", "BCB"]);
-  tiles[11] = new Tile(tileImages[11], ["BCB", "BCB", "BBB", "BBB"]);
-  tiles[12] = new Tile(tileImages[12], ["BBB", "BCB", "BBB", "BCB"]);
-
-  for (let i = 2; i < 14; i++) {
+  const initialTiles = [
+    new Tile(tileImages[0], ["AAA", "AAA", "AAA", "AAA"]),
+    new Tile(tileImages[1], ["BBB", "BBB", "BBB", "BBB"]),
+    new Tile(tileImages[2], ["BBB", "BCB", "BBB", "BBB"]),
+    new Tile(tileImages[3], ["BBB", "BDB", "BBB", "BDB"]),
+    new Tile(tileImages[4], ["ABB", "BCB", "BBA", "AAA"]),
+    new Tile(tileImages[5], ["ABB", "BBB", "BBB", "BBA"]),
+    new Tile(tileImages[6], ["BBB", "BCB", "BBB", "BCB"]),
+    new Tile(tileImages[7], ["BDB", "BCB", "BDB", "BCB"]),
+    new Tile(tileImages[8], ["BDB", "BBB", "BCB", "BBB"]),
+    new Tile(tileImages[9], ["BCB", "BCB", "BBB", "BCB"]),
+    new Tile(tileImages[10], ["BCB", "BCB", "BCB", "BCB"]),
+    new Tile(tileImages[11], ["BCB", "BCB", "BBB", "BBB"]),
+    new Tile(tileImages[12], ["BBB", "BCB", "BBB", "BCB"]),
+  ];
+
+  for (const tile of initialTiles) {
+    const rotations = [tile];
     for (let j = 1; j < 4; j++) {
-      tiles.push(tiles[i].rotate(j));
+      rotations.push(tile.rotate(j));
     }
+    tiles.push(...Tile.removeDuplicates(rotations));
   }
 
   // tiles[2] = tiles[1].rotate(1);
diff --git a/tile.js b/tile.js
index a451fda..e3acf3c 100644
--- a/tile.js
+++ b/tile.js
@@ -56,4 +56,13 @@ class Tile {
     }
     return new Tile(newImg, newEdges);
   }
+
+  static removeDuplicates(arrayOfTiles) {
+    const uniqueTilesMap = {};
+    for (const tile of arrayOfTiles) {
+      const key = tile.edges.join(","); // ex: "ABB,BCB,BBA,AAA"
+      uniqueTilesMap[key] = tile;
+    }
+    return Object.values(uniqueTilesMap);
+  }
 }