html - Jquery ui Sortable in right diagonal -

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i'm trying use jquery ui sortable, changing div's, problem occurs when pressing div diagonally right, movement of div going forward, div i'm on top, stays in place, can not occur. should have gone forward.

the problem see example might have caused concern is little difficult swap happen. if change tolerance intersect pointer, think might help. try this:

http://jsfiddle.net/uzabv/2/


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