Jasper finds Maya's favorite painting and tells Octavia that "It represents the second circle of Hell, which is pretty ironic if you think about it." In Dante's Inferno, the second circle of Hell was for those guilty of the sin of lust.
Monty says that 42 of the prisoners taken from the drop ship made it out of Mount Weather alive. It is unclear whether he included Clarke in that count; this means that at the start of Season 3, either 46 or 47 of the original The 100 are still alive, with Monty's count plus Bellamy, Octavia, Murphy and Monroe.