148
248
123
123
123
123
123
123
123
Hidden Pair
When two digits can only appear in the same two cells of a house, those cells must hold exactly those two digits — so every other candidate can be removed from them.
There's a move in row 1.
When two digits can only appear in the same two cells of a house, those cells must hold exactly those two digits — so every other candidate can be removed from them.
There's a move in row 1.