Sorry if this has been posted elsewhere, but I didn't see it. This fare disappeared a couple of days ago and then reappeared yesterday. I haven't been able to add any stops to increase mileage. Works in either direction.
VALID FOR TRAVEL COMMENCING ON EACH TRIP ON/AFTER 24JAN 17. TRAVEL ON THIS FARE COMPONENT MUST COMMENCE BY 1147PM ON 20APR 17.
Example:
https://goo.gl/flights/AwF5