It takes a little practice to get it. If this happens, far objects appear near and near objects appear far. This is incorrect, and you must fight against this erroneous viewing. Conversely, it is quite impossible for anybody to view the cross-eyed pair below in parallel because your eyes would have to move past the parallel position which is used to view infinity. I've heard of people who can do this.
Many people find cross-eyed viewing easier to master than parallel.
Feel free to Send me e-mail and let me know if you can see it or not. I like e-mail from my page visitors. I'll be posting some engine photos here someday.