I'm sorry, my mistake.
The first argument is the range to evaluate to determine whether to include cells in the sum. It starts evaluating in the upper left corner of that range, and matches each cell to the corresponding cell in the second argument. The shapes don't have to match for it to be a valid formula, but only the cells that correspond will be considered. Therefore you cannot sum two columns of data by providing only one column with criteria.
So we have to do it twice. The correct formula is:
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