This crossword No. 13206 clues and answers were published on Wed 05 Sep 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13206 link.
All Across Clues and Answers:
1-across – Propose : PUTFORWARD
7-across – Border : FRONTIER
8-across – Ring : TOLL
9-across – German composer, Carl d. 1982 : ORFF
10-across – Cheese of Swiss origin : GRUYERE
12-across – Thurber’s fictional fantasist : WALTERMITTY
14-across – Burdensome : WEIGHTY
16-across – Test : EXAM
19-across – Stuff in : CRAM
20-across – Hardy shrub with red flowers and blue fruit : BILBERRY
21-across – Red fruit : STRAWBERRY
All Down Clues and Answers:
1-down – Smutty writing or pictures : PORNO
2-down – Melodious : TUNEFUL
3-down – Roman known for his love poetry : OVID
4-down – Violation of the Geneva Conventions : WARCRIME
5-down – Irritable : RATTY
6-down – Semi-liquid mixture containing manure, cement or coal, for example : SLURRY
11-down – Part of the spine : VERTEBRA
12-down – Kind of barge : WHERRY
13-down – It runs in the UK from the beginning of April : TAXYEAR
15-down – Range : GAMUT
17-down – Drunk — happy : MERRY
18-down – Reveal indiscreetly : BLAB
This crossword has in total 23 where 11 are across and 12 are down.