They'll be 2 ahead of us, having played the same games, as will Dundee United. Motherwell are a further point ahead but with 2 games in hand, both against Rangers.
Games left :-
Aberdeen - Motherwell (a) and Rangers (h) - Most points we can get is 56
Hibs - Celtic (a) and Motherwell (h) - Most points 58
Dundee United - Rangers (a) and Celtic (h) - Most points 58
Motherwell - Rangers (a), Aberdeen (h), Rangers (h), Hibs (a) - Most points 65
We have to win both our games, hope that Hibs lose to Celtic and draw with Motherwell, Dundee United lose both games against the Old Firm, and Motherwell lose twice against Rangers, once to us and draw with hibs on the last day.