--- a/main_marking4/knight1_test5.scala	Thu Jan 13 12:55:03 2022 +0000
+++ b/main_marking4/knight1_test5.scala	Mon Apr 11 23:55:27 2022 +0100
@@ -1,4 +1,4 @@
-import CW9a._
+import M4a._
 
 //type Pos = (Int, Int)    // a position on a chessboard 
 //type Path = List[Pos]    // a path...a list of positions