Sudoku 129 Better — [2021]

This is an advanced technique used to eliminate candidates across rows and columns by spotting a symmetrical rectangle of candidates. The Benefits of Upgrading Your Puzzle

If you are currently working on a specific puzzle or variant, tell me: What is your current puzzle? What level/difficulty are you stuck on? sudoku 129 better

1 and 9 represent the absolute boundaries of the puzzle. The Pivot: 2 acts as the immediate structural bridge. This is an advanced technique used to eliminate