This crossword No. 13120 clues and answers were published on Mon 28 May 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13120 link.
All Across Clues and Answers:
1-across – Gem set by itself : SOLITAIRE
8-across – Hello from Honolulu? : ALOHA
9-across – Low wall along the edge of a balcony : PARAPET
10-across – : TRENCHER
11-across – Husks of grain sifted from the flour : BRAN
13-across – Vibrate noisily : RATTLE
14-across – Illusory : UNREAL
16-across – Confront : FACE
17-across – Something left after other parts have been removed : RESIDUUM
19-across – Artist’s studio : ATELIER
20-across – Devoured : EATEN
21-across – Of the highest class : TOPFLIGHT
All Down Clues and Answers:
1-down – Not quite : SCARCELY
2-down – Pleads : LAPSED
3-down – Novice : TYRO
4-down – Forever : INPERPETUITY
5-down – Imbroglio : ENTANGLEMENT
6-down – Down to earth : MATTEROFFACT
7-down – Char : DOMESTICHELP
12-down – Event : INCIDENT
15-down – Gerard : REDRAG
18-down – Circular — account : BILL
This crossword has in total 22 where 12 are across and 10 are down.