Is a piece of the puzzle missing?

Introduction

Whenever I go home for a holiday break (home for me is Pittsburgh, Pennsylvania, by the way), my routine tends to change from the normal, and while I like for my breaks to be productive, some more time for relaxation is inevitable. One activity of choice for me and my family as of late has been solving jigsaw puzzles.

I had customized and ordered a Shutterfly puzzle of our family’s cats as a Mother’s Day present in 2020. We didn’t have time to put it together back in May, so we decided to open it up this weekend and give it a shot…