Daily Sudoku Answer 

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R4C7 is the only square in row 4 that can be <1>

R5C3 is the only square in row 5 that can be <7>

R9C1 is the only square in row 9 that can be <1>

R7C5 is the only square in row 7 that can be <1>

R7C6 is the only square in row 7 that can be <5>

R6C4 is the only square in row 6 that can be <5>

R1C9 is the only square in row 1 that can be <5>

R3C5 is the only square in row 3 that can be <5>

R1C1 is the only square in column 1 that can be <7>

R2C6 is the only square in column 6 that can be <7>

R5C7 is the only square in column 7 that can be <6>

R5C5 can only be <4>

Intersection of row 1 with block 2. The value <4> only appears in one or more of squares R1C4, R1C5 and R1C6 of row 1. These squares are the ones that intersect with block 2. Thus, the other (non-intersecting) squares of block 2 cannot contain this value.

R3C4 - removing <4> from <23469> leaving <2369>

Intersection of row 7 with block 7. The value <4> only appears in one or more of squares R7C1, R7C2 and R7C3 of row 7. These squares are the ones that intersect with block 7. Thus, the other (non-intersecting) squares of block 7 cannot contain this value.

R8C3 - removing <4> from <2469> leaving <269>

Intersection of row 7 with block 9. The value <8> only appears in one or more of squares R7C7, R7C8 and R7C9 of row 7. These squares are the ones that intersect with block 9. Thus, the other (non-intersecting) squares of block 9 cannot contain this value.

R8C8 - removing <8> from <2389> leaving <239>

Intersection of row 9 with block 8. The value <6> only appears in one or more of squares R9C4, R9C5 and R9C6 of row 9. These squares are the ones that intersect with block 8. Thus, the other (non-intersecting) squares of block 8 cannot contain this value.

R8C4 - removing <6> from <34689> leaving <3489>

R8C5 - removing <6> from <36> leaving <3>

R8C6 - removing <6> from <4689> leaving <489>

R2C5 can only be <6>

R7C1 is the only square in column 1 that can be <3>

Squares R9C4 and R9C6 in row 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <69>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R9C8 - removing <9> from <379> leaving <37>

Squares R9C4 and R9C6 in block 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <69>. 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 <489> leaving <48>

R8C6 - removing <9> from <489> leaving <48>

Intersection of column 6 with block 5. The value <2> only appears in one or more of squares R4C6, R5C6 and R6C6 of column 6. These squares are the ones that intersect with block 5. Thus, the other (non-intersecting) squares of block 5 cannot contain this value.

R4C4 - removing <2> from <268> leaving <68>

Intersection of column 7 with block 3. The value <3> only appears in one or more of squares R1C7, R2C7 and R3C7 of column 7. 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 <3> from <38> leaving <8>

R3C8 - removing <3> from <3479> leaving <479>

R3C9 - removing <3> from <347> leaving <47>

R7C7 is the only square in column 7 that can be <8>

Squares R7C8 and R8C8 in column 8 form a simple naked pair. These 2 squares both contain the 2 possibilities <29>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R3C8 - removing <9> from <479> leaving <47>

R5C8 - removing <2> from <28> leaving <8>

R6C8 - removing <2> from <2348> leaving <348>

R5C2 can only be <2>

R6C1 can only be <6>

R6C3 can only be <4>

R4C1 can only be <9>

R6C8 can only be <3>

R6C9 can only be <2>

R9C8 can only be <7>

R6C6 can only be <8>

R4C9 can only be <4>

R9C9 can only be <3>

R3C8 can only be <4>

R3C9 can only be <7>

R4C2 can only be <8>

R8C1 can only be <2>

R4C4 can only be <6>

R4C6 can only be <2>

R9C4 can only be <9>

R8C6 can only be <4>

R8C8 can only be <9>

R7C3 can only be <9>

R8C4 can only be <8>

R1C6 can only be <9>

R8C3 can only be <6>

R7C8 can only be <2>

R9C6 can only be <6>

R1C2 can only be <3>

R7C2 can only be <4>

R3C3 can only be <2>

R1C4 can only be <4>

R2C2 can only be <9>

R2C7 can only be <3>

R3C2 can only be <6>

R2C4 can only be <2>

R3C7 can only be <9>

R3C4 can only be <3>

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