I did some working out for my predicted dates. If they want around the same as last year I've predicted:
BB:
Tuesday 4th June 2013 until Monday 12th August 2013 which is again 70 Days.
CBB:
If they do the Day gap again for a BBBOTS,
Wednesday 14th August 2013 until Friday 6th September 2013 which is 24 Days.
Does this seem likely if they keep the same schedule?