Creating a histogram bar chart with Prometheus Data Source

Following the docs here I have a prometheus histogram, but I can’t get the histogram to show the way I want it to

I currently have, using a subtraction of the current bucket from the previous bucket the following display:

And I want something that’s equivalent to that, but using the heatmap approach I get instead:

Does anyone have suggestions on how I could accomplish the first one without 6 independent queries? The second uses only one query, as the docs suggest.