Closed Nickleaton closed 2 years ago
https://www.funwithpuzzles.com/2018/07/exclusion-sudoku-puzzle.html
In addition, small number at the intersection of 4 adjacent cells indicates that this number cannot be placed in any of these 4 cells.
Similar to Quadruple
https://www.funwithpuzzles.com/2018/07/exclusion-sudoku-puzzle.html
In addition, small number at the intersection of 4 adjacent cells indicates that this number cannot be placed in any of these 4 cells.