This crossword No. 12960 clues and answers were published on Wed 23 Nov 2011 and the puzzle can be visited by following The Guardian Quick Crossword No. 12960 link.
All Across Clues and Answers:
5-across – Sell down the river : DOUBLECROSS
7-across – Drink deeply : SWIG
8-across – Sink : SUBMERGE
9-across – Admit us : STADIUM
11-across – Place to sleep on a ship : BERTH
13-across – Lone Star State : TEXAS
14-across – Important supporting role at a wedding : BESTMAN
16-across – Overbearing : ARROGANT
17-across – Lament loudly : WAIL
18-across – Lower chamber of the Isle of Man parliament : HOUSEOFKEYS
All Down Clues and Answers:
1-down – Large cork : BUNG
2-down – : ELYSIUM
3-down – Diving apparatus : SCUBA
4-down – Consistent : COHERENT
5-down – Practical and realistic : DOWNTOEARTH
6-down – Zodiac sign : SAGITTARIUS
10-down – Conversation : DIALOGUE
12-down – Give evidence in court : TESTIFY
15-down – Deviated erratically from the course : YAWED
17-down – Bird — architect : WREN
This crossword has in total 20 where 10 are across and 10 are down.