u/Key_Average4725

What do I need to learn to get this puzzle done?
▲ 1 r/sudoku

What do I need to learn to get this puzzle done?

hi everyone, pretty stumped on this puzzle, hence the mess. I would like to learn better sudoku but I have found myself stumped on this puzzle. if anyone has tips tom what to learn to progress this, help is greatly appreciated.

u/Key_Average4725 — 3 hours ago