??? and ???, 4 bytes Forwards: +: :+ 0O Backwards: O0 +: :+ Forwards: Parsing error: What are you doing on line 3? Backwards: a partridge Should be quite easy...
??? and ???, 200 bytes +++++++++++++++++.++ ++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++ :+++++++++++++++++++ Forward: 9 Backward: [