diff -r eb188f9ac038 -r 9b45dd24271b testing3-bak/knight1a_test.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing3-bak/knight1a_test.scala	Fri Nov 16 02:06:03 2018 +0000
@@ -0,0 +1,5 @@
+
+assert(CW7a.is_legal(8, Nil)(3, 4) == true)
+assert(CW7a.is_legal(8, List((4, 1), (1, 0)))(4, 1) == false)
+assert(CW7a.is_legal(2, Nil)(0, 0) == true)
+