diff -r ca9c1cf929fa -r e5453add7df6 solutions3/knight1.scala
--- a/solutions3/knight1.scala	Tue Nov 26 01:22:36 2019 +0000
+++ b/solutions3/knight1.scala	Tue Dec 03 01:22:16 2019 +0000
@@ -48,6 +48,8 @@
 def legal_moves(dim: Int, path: Path, x: Pos): List[Pos] = 
   moves(x).filter(is_legal(dim, path, _))
 
+
+
 // testcases
 //assert(legal_moves(8, Nil, (2,2)) == 
 //  List((3,4), (4,3), (4,1), (3,0), (1,0), (0,1), (0,3), (1,4)))
@@ -55,6 +57,7 @@
 //assert(legal_moves(8, List((4,1), (1,0)), (2,2)) == 
 //  List((3,4), (4,3), (3,0), (0,1), (0,3), (1,4)))
 //assert(legal_moves(8, List((6,6)), (7,7)) == List((6,5), (5,6)))
+//assert(legal_moves(8, Nil, (0,1)) == List((1,3), (2,2), (2,0)))
 //assert(legal_moves(1, Nil, (0,0)) == List())
 //assert(legal_moves(2, Nil, (0,0)) == List())
 //assert(legal_moves(3, Nil, (0,0)) == List((1,2), (2,1)))