This crossword No. 13372 clues and answers were published on Tue 19 Mar 2013 and the puzzle can be visited by following The Guardian Quick Crossword No. 13372 link.
All Across Clues and Answers:
1-across – Embarrassing dive : BELLYFLOP
8-across – Use to one’s advantage : AVAIL
9-across – BBC1, perhaps : CHANNEL
10-across – Bits from an exploded shell : SHRAPNEL
11-across – 15 March, say — key date for Caesar : IDES
13-across – Popular cage bird, often yellow : CANARY
14-across – Small beetle : WEEVIL
16-across – Suggestive or sneering look : LEER
17-across – US state, capital Lincoln : NEBRASKA
19-across – Slaughter : BUTCHER
20-across – Bikini, perhaps : ATOLL
21-across – Study of the development of words : ETYMOLOGY
All Down Clues and Answers:
1-down – Approximate range : BALLPARK
2-down – Small ornamental case hung round the neck : LOCKET
3-down – Sure! : YEAH
4-down – : LONGDIVISION
5-down – Word with several linguistic units : POLYSYLLABLE
6-down – Controversial public issue : CAUSECELEBRE
7-down – US actor, star of Heaven Can Wait, b. 1937 : WARRENBEATTY
12-down – Period of 28 or 29 days? : FEBRUARY
15-down – Crank — oddball : WEIRDO
18-down – Get lost! : SHOO
This crossword has in total 22 where 12 are across and 10 are down.