1: Girl hatches subterfuge in prison tower (11)
9: Number observed with contest entry (9)
10: Just conservative (5)
11: Mousy girlfriend loses head and bellybutton (5)
12: Swine met end, tied and dyed (9)
14: Endless taping-over is unsuitable (5)
15: State control for Romanians (3,6)
18: There aren't any comebacks after such a poor performance. (2, 7)
19: I tear to pieces in a fury (5)
20: We tangled with this old kitchen cloth (4,5)
22: Ace girl gets it wrong (5)
23: Tender translator of runes (5)
25: Found jumbo rig in a teamster's parts (9)
27: Lepers treated by North Dakota specialist? Brilliant! (11)