Checking left collision with 2 I-figures

[Google Code Exporter]

What steps will reproduce the problem?
1. place I-figure to the right of any figure.
2. try to move I-figure left when it's aligned horizontally.

What is the expected output? What do you see instead?
Figure should not move left.

Please use labels and text to provide additional information.
Bug appears not always. Need to check deeply when it's happening.

Original issue reported on code.google.com by [e-mail] on 16 Apr 2010 at 8:53