--- a/testing3/knight_test5.scala	Thu Oct 31 09:49:33 2019 +0000
+++ b/testing3/knight_test5.scala	Thu Oct 31 10:44:10 2019 +0000
@@ -1,3 +1,5 @@
+import CW8a._
+
 
 //type Pos = (Int, Int)    // a position on a chessboard 
 //type Path = List[Pos]    // a path...a list of positions