Here’s a direct link to the Tickler Puzzle Four of a Kind notebook discussed within: https://observablehq.com/@dmaynard/tickler-puzzle-four-of-a-kind https://ob

Here’s a direct link to the Tickler Puzzle Four of a Kind notebook discussed within: https://observablehq.com/@dmaynard/tickler-puzzle-four-of-a-kind https://observablehq.com/@dmaynard/tickler-puzzle-four-of-a-...