Centre Gareth Augustus crossed for the solitary Llandeilo try while the rest of the points came from the boot of full back
Steffan Howells, who kicked a hat-trick of penalties.
The Giants desperately need a full back
. Paul Reilly was our full back
, but he went to Wakefield.
Mike Sauro kicked a hat-trick of first-half penalties for Pontyberem, before centre Iwan Harris grabbed a late try to clinch victory.
"I like the full back
to stay on the halfway line," Shuker said.
Llangefni, unbeaten in the League, can now concentrate on getting promotion after they were knocked out by 21-13 at home to Newport Saracens for whom full back
Darren Greg scored 11 points from three penalties and a conversion.
MIDDLESBROUGH are mulling over offers for home-grown full back
Nant Conwy won by 24-7 at Dolgellau, with tries from No 8 Adam Russell, full back
Carwyn ap Merddyn, replacement centre Danny Newcombe and centre Tristan ap Howell, who also kicked two conversions.
'It's not a hardship for Paul or Ian to play full back
. They do a decent job
In Maher's absence, Hogan looks set to push Paul Curran from corner back to full back
with Martin Maher and the fit-again Hugh Moloney pushing for a starting berth in the full-back line.
CELTIC: Jamie Smith (full back
), Stephen Crainey (midfield), Mark Fotheringham (midfield), Simon Lynch (midfield, Sean Maloney (striker)
Ruthin led by 15-0 at the interval thanks to tries from No 8 Mike Stubbs and full back
Kyle Davies with wing Matthew Davies adding a conversion and penalty.
CORK ace Wayne Sherlock hit back at Pat Mulcahy's critics after watching his full back
colleague shackle DJ Carey on Sunday.