An explanation of OBL from a user's perspective.
We're just a couple of Square-1 enthusiasts who wanted to show others the elegance and efficiency of OBL.
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Not Kevin is a WCA delegate and the world’s foremost expert on OBL.
Shari came up with the idea of OBL when she first figured out how to solve a Square-1 by trial and error.
This site would not have been possible without help from the following people.