The ratings for Bluestone 42 seem to improve over time, as the ratings for Season 1 are in the average range (7.1 - 7.7), Season 2 ratings are in the decent to good range (7.5 - 8.2), and Season 3 ratings are in the good to excellent range (7.3 - 8.4). Based on the data provided, the bingeable rating for Bluestone 42 from 2013 would be approximately 70.