CRYPTIC CROSSWORD

8 solutions are Cardiff 12, and are not further defined

ACROSS
1 Allied in velvet revolution: “tolerate!” (4,3,3,4)
7 Against the odds Pearl Bunker receives punishment for lesbian intimacy, according to the 12 (6,9)
8 Write this letter – or use 15 back. It’s in that clue (5)
9 Curious about early societies (5)
12 Setter’s crazy ways! (7)
13 Say shwmae (4)
14 Court daughter (4)
16 Possible spell takes phlegm to nip so trickily (7)
17 Note local ditch (5)
18 De-seed and chop cucumber (5)
20 Unlike Humpty Dumpty I heard disapproval in concerned pig (15)
21 Drag soldier over the cut cloth for a low purpose? (2,4,3,5)

DOWN
1 Gaze at Oscars, view from the gutter (4,2,3,5)
2 6 resting, but no time so not staying (8)
3 She lives in blissful ignorance (4)
4 Change: isn’t it 3? (10)
5 Lacking audience, made vinegary attempt at topping (5)
6 Pointless consensus around (and is bloating) (14)
10 He crossed the channel by tube (10)
11 8 twice devours swallow (5)
15 H figures anaesthetist is non-geographic (1,1,6)
17 Sounds like a greedy lizard (5)
19 Bar English! (4)