I would say that responsibility is an unwritten aspect of freedom because whether or not you want this to occur, freedom brings with it responsibility. Part of having freedom means being able to make your own decisions, which requires that one have responsibility in order to make smart choices.
Limbo is where unchristian and pagans go in the after life while the second circle(which i'm assuming you're talking about) is where sinners of Lust go.
6: I
7: I
8: I
9: C
10: I
11: C
12: I
13: C
14: C
15:I
I may have missed one but i hope this helps!