diff --git a/scripts/nitrofurano9.lua b/scripts/nitrofurano9.lua
new file mode 100644
index 00000000..6fcc1668
--- /dev/null
+++ b/scripts/nitrofurano9.lua
@@ -0,0 +1,10 @@
+w,h=getpicturesize();
+for y1=0,h-1,8 do
+  for x1=0,w-1,8 do
+    for y2=0,3,1 do
+      for x2=0,7,1 do
+        c1=getpicturepixel(x1+x2,y1+y2)
+        c2=getpicturepixel(x1+7-x2,y1+7-y2)
+        putpicturepixel(x1+x2,y1+y2,c2)
+        putpicturepixel(x1+7-x2,y1+7-y2,c1)
+        end;end;end;end