diff --git a/manualsort.go b/manualsort.go
index c750a7a..5d40278 100644
--- a/manualsort.go
+++ b/manualsort.go
@@ -185,7 +185,11 @@ func main() {
 	rand.Shuffle(len(items), func(i, j int) {
 		items[i], items[j] = items[j], items[i]
 	})
-	sorted := mergeSort(items)
+	qchan := make(chan *Question, len(items))
+	go betterLoop(qchan)
+	sorted := parallelMergeSort(qchan, items)
+	close(qchan)
+
 	fmt.Println("Sorted. Saving...")
 	obuf := bufio.NewWriter(ofile)
 	for i, s := range sorted {