The Sudoku BUG Problem and the BUG +1 Solution: A Subset to Uniqueness

Lesson #21: The BUG problem is a grave one (!), but it is solved easily with the +1. This is a subset of the Unique Rectangle that I covered in a previous video you can find here: https://youtu.be/2S_IQ46uKtc I hope you enjoy this video, and I hope you Learn Something!