Commit 37a9024

@@ -41,6 +41,10 @@ describe "rotate_image" do
     copy
   end
 
+  def rotate_image(image)
+    image.reverse!.transpose
+  end
+
   [
     { a: [[1,2,3], [4,5,6], [7,8,9]], x: [[7,4,1], [8,5,2], [9,6,3]] },
     { a: [[1]], x: [[1]] },