Allen's example above would go right where you removed the code I removed to get rid of the white space.
However it does separate the categories fine with one side effect. There is an empty table up top. It is not too noticeable without tablewrappers with it only being a few pixels wide. However I am still testing things out for you to do what Allen suggested but to get rid of the empty table. I have tried a few examples without success but here is the modified template as Allen Suggested.
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