--- a/progs/knight2_sol.scala	Tue Nov 22 01:35:40 2016 +0000
+++ b/progs/knight2_sol.scala	Wed Nov 23 13:32:01 2016 +0000
@@ -43,11 +43,13 @@
     first(legal_moves(dim, path, path.head), (x: Pos) => first_tour(dim, x::path))
 }
 
+/*
 for (dim <- 1 to 8) {
   val t = first_tour(dim, List((0, 0)))
   println(s"${dim} x ${dim} " + (if (t == None) "" else { print_board(dim, t.get) ; "" }))
 }
+*/
  
+print_board(8, first_tour(8, List((0, 0))).get)
 
 
-