diff --git a/demo-brain-even.gif b/demo/demo-brain-even.gif similarity index 100% rename from demo-brain-even.gif rename to demo/demo-brain-even.gif diff --git a/demo-brain-gcd.gif b/demo/demo-brain-gcd.gif similarity index 100% rename from demo-brain-gcd.gif rename to demo/demo-brain-gcd.gif diff --git a/demo-brain-prime.gif b/demo/demo-brain-prime.gif similarity index 100% rename from demo-brain-prime.gif rename to demo/demo-brain-prime.gif diff --git a/demo-brain-progression.gif b/demo/demo-brain-progression.gif similarity index 100% rename from demo-brain-progression.gif rename to demo/demo-brain-progression.gif