diff -r 048fc6b70776 -r e776db3c808b main_marking5/bf_test3.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_marking5/bf_test3.scala	Sun Jan 31 03:24:32 2021 +0000
@@ -0,0 +1,10 @@
+import CW10a._
+
+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)