But buoyed by Senior's late first-half score, Leeds turned on the style after the interval with Burrow and Donald touching down.
The first-half score by the visitors from Iceland should only be seen as a minor blip during what was a comfortable night for Martin O'Neill's side.
Second best for much of the first half despite Vainikolo's first score, Gloucester sent Mike Tindall over six minutes into the second, with Paterson converting.
James Simpson-Daniel finished off a good first-half move to score their opening try and then ran 75m to finish off a fine interception.
Williams made his first eight shots from behind the arc, became the first player in a decade to match the opposing team's score in the first half, and was one shy of the league record of 12 3-pointers as the Nets opened a huge early lead and coasted.
The Dutch scored in the first minutes, before Germany even touched the ball, but allowed the Germans to score two first-half goals and take the trophy.
Wigan enjoyed the bulk of possession at the start of the first half but were unable to score and they fell behind when Martin raced onto the end of Brough's kick to go over.
Quins twice spurned kickable penalties in the first half and subsequently failed to score but boss Dean Richards must have had a word during the interval because when they were awarded a penalty in the 48th minute they never looked like taking it quickly.
"Considering the score after the first half, it's a big slip-up for us, " Milan assistant coach Mauro Tassotti said on the club's website.
After Bradley's goal, scores from McCluskey, Tom Brewster and Bradley extended Enniskillen's lead to 1-3 to 0-0 after 18 minutes and Niall Monaghan's point was Ederney's lone score of the first half.
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The only score of a dull first half came from the boot of Farrell, who landed an easy penalty.
The second-seeded Minutemen (21-12) led 25-21 with 7:05 left in the first half, but they didn't score again in the half.
However, it took the hosts over half an hour for their first score, with Flood providing a neat inside pass to Tuqiri.
The atrocious conditions at a rain-soaked Rec played a significant part in both sides letting slip decent opportunities to score tries in the first half.
Robinson and Thomas traded another penalty each, but the former was guilty of missing further opportunities to add to the visitors score in a poor first-half showing.
Aironi had led 10-0 before the Scarlets came back, Stoddart's first score helping them to a 13-10 half-time lead.
Ronan O'Gara got Ireland's only score with a drop-goal in the first half.
Kiwi fly-half Dan Carter missed four kicks in the first period and the score remained 5-0 until the last quarter.
But Myler, who had wasted two chances to set Saints clear before the interval, released Scott Gray in the first move of the second half and the Scottish flanker fed Clarke to score, Myler's conversion levelling the scores.
Wakefield dominated most of the first half, but stout defending from the Rhinos restricted them to just one score.
Fans took delight when he threw up an airball in the final minute of the first half, grabbed the board himself and was going back up for the score when Danilo Gallinari knocked the ball out of his hands and off his right leg out of bounds.
The home nation appeared destined for a dispiriting result when Rashed Eisa's 60th-minute goal leveled the score at 1-1 following Ryan Giggs's first-half opener.
She missed her first seven shots and had failed to score as the midpoint of the second half loomed and the Great Danes trailed by four points.
Surprisingly, Mumbai recorded the least score in consumer confidence with 69.3 Index points in the first half of 2012.
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With the game won, the second half lacked the intensity of the first and it was Sale who were next to score.
The scrum-half then sniped over from a five-metre scrum to score the first try of the match and although he missed the conversion a second penalty gave the fired-up visitors an 11-3 lead after 11 minutes.
They were made to pay as Trescothick went on to almost double his score and was given excellent support by Langer, who made his first half-century in 11 Championship innings, in a stand of 169 for the second wicket.
Replacement Rudi Keil added a third score for the hosts in the 63rd minute to add to a first-half penalty try.
Botham captured 6-95 and then scored a half-century in England's first innings, but it was the only respectable score and the hosts were invited to follow on.
McCourt weaved his way through Hearts' defence to score the third late on after James Forrest and Maloney hit the net in the first half.
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