Daily Sudoku Answer 

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R1C8 is the only square in row 1 that can be <5>

R1C4 is the only square in row 1 that can be <8>

R2C2 is the only square in row 2 that can be <4>

R2C1 is the only square in row 2 that can be <5>

R5C6 is the only square in row 5 that can be <6>

R7C1 is the only square in row 7 that can be <6>

R9C2 is the only square in row 9 that can be <1>

R9C4 is the only square in row 9 that can be <5>

R6C5 is the only square in row 6 that can be <5>

R7C9 is the only square in row 7 that can be <5>

Squares R2C8 and R9C8 in column 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <89>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R8C8 - removing <89> from <389> leaving <3>

Intersection of row 3 with block 3. The value <1> only appears in one or more of squares R3C7, R3C8 and R3C9 of row 3. These squares are the ones that intersect with block 3. Thus, the other (non-intersecting) squares of block 3 cannot contain this value.

R2C9 - removing <1> from <178> leaving <78>

Intersection of column 7 with block 9. The value <4> only appears in one or more of squares R7C7, R8C7 and R9C7 of column 7. These squares are the ones that intersect with block 9. Thus, the other (non-intersecting) squares of block 9 cannot contain this value.

R8C9 - removing <4> from <478> leaving <78>

Squares R2C9 and R8C9 in column 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <78>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R3C9 - removing <7> from <137> leaving <13>

Intersection of row 8 with block 8. The values <24> only appears in one or more of squares R8C4, R8C5 and R8C6 of row 8. These squares are the ones that intersect with block 8. Thus, the other (non-intersecting) squares of block 8 cannot contain these values.

R9C6 - removing <4> from <479> leaving <79>

Squares R7C5 and R9C6 in block 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <79>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R8C4 - removing <79> from <2479> leaving <24>

R8C6 - removing <79> from <2479> leaving <24>

Intersection of row 8 with block 7. The value <9> only appears in one or more of squares R8C1, R8C2 and R8C3 of row 8. These squares are the ones that intersect with block 7. Thus, the other (non-intersecting) squares of block 7 cannot contain this value.

R7C3 - removing <9> from <49> leaving <4>

R9C3 - removing <9> from <489> leaving <48>

R9C3 can only be <8>

R9C8 can only be <9>

R9C6 can only be <7>

R2C8 can only be <8>

R7C7 can only be <7>

R2C9 can only be <7>

R8C9 can only be <8>

R7C5 can only be <9>

R9C7 can only be <4>

R1C2 is the only square in row 1 that can be <7>

R8C2 can only be <9>

R8C1 can only be <7>

R3C5 is the only square in row 3 that can be <7>

R5C5 is the only square in row 5 that can be <8>

R4C5 can only be <2>

R4C8 can only be <6>

R5C4 can only be <1>

R4C2 can only be <3>

R6C8 can only be <2>

R5C7 can only be <3>

R2C4 can only be <9>

R5C3 can only be <2>

R1C7 can only be <9>

R6C9 can only be <4>

R6C1 can only be <9>

R4C9 can only be <1>

R1C6 can only be <2>

R3C7 can only be <1>

R2C6 can only be <1>

R4C4 can only be <4>

R6C4 can only be <7>

R3C9 can only be <3>

R6C2 can only be <6>

R4C6 can only be <9>

R8C4 can only be <2>

R4C1 can only be <8>

R6C6 can only be <3>

R1C3 can only be <3>

R3C3 can only be <9>

R3C1 can only be <2>

R8C6 can only be <4>

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