Turotial Sudoku Website: https://glenscheng.github.io/pj-sudoku-tutorial/
Resources:
YouTube Tutorial: https://youtu.be/S4uRtTb8U-U'
Improved Version:
Improved Sudoku Repository: https://github.com/glenscheng/pj-sudoku-improved/
Improved Sudoku Website: https://glenscheng.github.io/pj-sudoku-improved/