diff -r b528d1d3d3c3 -r 59e005dcf163 main_testing5/bf_test3.scala
--- a/main_testing5/bf_test3.scala	Thu Nov 02 13:53:37 2023 +0000
+++ b/main_testing5/bf_test3.scala	Thu Nov 02 23:34:53 2023 +0000
@@ -1,10 +1,14 @@
-import M5a._
+
+def urbanmain() = {
+
+  import M5a._
 
-assert(jumpRight("[xxxxxx]xxx", 1, 0) == 8)
-assert(jumpRight("[xx[x]x]xxx", 1, 0) == 8)
-assert(jumpRight("[xx[x]x]xxx", 1, 0) == 8)  
-assert(jumpRight("[xx[xxx]xxx", 1, 0) == 11)
-assert(jumpRight("[x[][]x]xxx", 1, 0) == 8)
-assert(jumpLeft("[xxxxxx]xxx", 6, 0) == 1)
-assert(jumpLeft("[xxxxxx]xxx", 7, 0) == -1)
-assert(jumpLeft("[x[][]x]xxx", 6, 0) == 1)
+  assert(jumpRight("[xxxxxx]xxx", 1, 0) == 8)
+  assert(jumpRight("[xx[x]x]xxx", 1, 0) == 8)
+  assert(jumpRight("[xx[x]x]xxx", 1, 0) == 8)  
+  assert(jumpRight("[xx[xxx]xxx", 1, 0) == 11)
+  assert(jumpRight("[x[][]x]xxx", 1, 0) == 8)
+  assert(jumpLeft("[xxxxxx]xxx", 6, 0) == 1)
+  assert(jumpLeft("[xxxxxx]xxx", 7, 0) == -1)
+  assert(jumpLeft("[x[][]x]xxx", 6, 0) == 1)
+}