Daily Sudoku Answer 

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R4C8 can only be <9>

R5C7 can only be <3>

R6C8 can only be <2>

R5C9 can only be <4>

R1C7 is the only square in row 1 that can be <5>

R4C5 is the only square in row 4 that can be <7>

R5C5 is the only square in row 5 that can be <2>

R5C4 is the only square in row 5 that can be <6>

R6C5 is the only square in row 6 that can be <3>

Squares R2C4 and R2C6 in row 2 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 row.

R2C1 - removing <9> from <34679> leaving <3467>

R2C2 - removing <89> from <3489> leaving <34>

R2C9 - removing <89> from <36789> leaving <367>

Squares R2C4 and R2C6 in block 2 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 block.

R1C5 - removing <9> from <169> leaving <16>

R3C5 - removing <9> from <169> leaving <16>

Squares R1C5 and R3C5 in column 5 form a simple naked pair. These 2 squares both contain the 2 possibilities <16>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R7C5 - removing <1> from <149> leaving <49>

R9C5 - removing <1> from <149> leaving <49>

Squares R7C5 and R9C5 in block 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <49>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R8C4 - removing <9> from <159> leaving <15>

R8C6 - removing <9> from <159> leaving <15>

Squares R8C4 and R8C6 in row 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <15>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R8C1 - removing <15> from <1359> leaving <39>

R8C2 - removing <1> from <1239> leaving <239>

R8C8 - removing <1> from <136> leaving <36>

Intersection of row 6 with block 5. The value <5> only appears in one or more of squares R6C4, R6C5 and R6C6 of row 6. These squares are the ones that intersect with block 5. Thus, the other (non-intersecting) squares of block 5 cannot contain this value.

R5C6 - removing <5> from <159> leaving <19>

Intersection of column 3 with block 7. The value <4> only appears in one or more of squares R7C3, R8C3 and R9C3 of column 3. These squares are the ones that intersect with block 7. Thus, the other (non-intersecting) squares of block 7 cannot contain this value.

R7C1 - removing <4> from <1349> leaving <139>

R9C1 - removing <4> from <1459> leaving <159>

R9C2 - removing <4> from <12489> leaving <1289>

R2C1 is the only square in column 1 that can be <4>

R2C2 can only be <3>

R3C9 is the only square in row 3 that can be <3>

R7C1 is the only square in row 7 that can be <3>

R8C1 can only be <9>

R8C2 can only be <2>

R3C1 can only be <6>

R8C9 can only be <6>

R8C8 can only be <3>

R2C9 can only be <7>

R2C8 can only be <6>

R3C5 can only be <1>

R1C1 can only be <7>

R1C5 can only be <6>

R1C8 can only be <1>

R9C8 can only be <7>

R1C3 is the only square in row 1 that can be <2>

R7C7 is the only square in row 7 that can be <1>

R9C9 is the only square in row 9 that can be <2>

Squares R1C2 and R9C7 form a remote naked pair. <89> can be removed from any square that is common to their groups.

R9C2 - removing <8> from <18> leaving <1>

R9C1 can only be <5>

R4C2 can only be <4>

R6C2 can only be <9>

R6C4 can only be <5>

R1C2 can only be <8>

R5C3 can only be <5>

R6C6 can only be <4>

R8C4 can only be <1>

R8C6 can only be <5>

R4C4 can only be <8>

R5C1 can only be <1>

R1C9 can only be <9>

R3C3 can only be <9>

R7C9 can only be <8>

R3C7 can only be <8>

R9C7 can only be <9>

R4C6 can only be <1>

R2C4 can only be <9>

R5C6 can only be <9>

R2C6 can only be <8>

R7C3 can only be <4>

R9C5 can only be <4>

R7C5 can only be <9>

R9C3 can only be <8>

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