Naked Pairs
Points. A
naked pair is formed by any 2 cells that have candidates for only 2 digits
that are in the same house. A naked pair is a naked subset of size 2. What Sudopedia Says.
Naked Pair, Row. In
row 4, the two cells in columns 2 and 4 contain only two digits, 3 and 8.
Therefore, digits 3 and 8 cannot be present elsewhere in the row and the red
candidates can be removed.


Naked Pair, Column. In
column 5, the two cells in rows 3 and 7 contain only two digits, 3 and 7.
Therefore, digits 3 and 8 cannot be present elsewhere in the column and the
red candidate 3 can be removed.


