UTG is 20/12/2.8 after 1500 hands.
CO is 26/16/2.1 after 4300 hands.

Party Poker 5/10 Hold'em (6 max, 6 handed) pokerhand.org hand converter

Preflop: Hero is SB with A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">CO 3-bets</font>, <font color="#666666">1 fold</font>, Hero folds.

Anyone have a problem?