diff --git a/cmd/defrag/main.go b/cmd/defrag/main.go
index 29ac7ed..e620e91 100644
--- a/cmd/defrag/main.go
+++ b/cmd/defrag/main.go
@@ -29,8 +29,12 @@ func main() {
 
 	blocks, err := defrag.Blocks(input)
 	handleErr(err)
+	err = defrag.Defrag(blocks)
+	handleErr(err)
+
+	fmt.Println("From this")
+	fmt.Printf("%s\n", input)
 
-	fmt.Println("@TODO")
 	fmt.Println("Got this")
 	fmt.Printf("%s\n", blocks)
 }