--- a/main_solution4/knight3.scala	Sat Nov 28 15:58:36 2020 +0000
+++ b/main_solution4/knight3.scala	Mon Nov 30 00:06:15 2020 +0000
@@ -60,4 +60,7 @@
 def tour_on_mega_board(dim: Int, path: Path) =
   time_needed(ttour_on_mega_board(dim: Int, path: Path))
 
+
+
+
 }