Code Hangout 163: How Many Corner Threes?

Working on new features for SudokuPad from these requested features:
trello.com/b/wTpGl6ZB/feature...
SudokuPad web app: sudokupad.app/
If you want to support my work and help me to prioritize features, join my Patreon at
patreon.svencodes.com
Music (with permission) from Heartbound OST:
store.steampowered.com/app/77...