Daily Sudoku Answer 

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R3C3 can only be <7>

R7C7 can only be <1>

R2C3 can only be <3>

R7C3 can only be <5>

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

R1C5 is the only square in row 1 that can be <8>

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

R2C4 is the only square in column 4 that can be <4>

R2C6 is the only square in row 2 that can be <7>

R2C5 is the only square in row 2 that can be <5>

Squares R2C2 and R3C2 in column 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <28>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R4C2 - removing <8> from <13578> leaving <1357>

R6C2 - removing <8> from <1578> leaving <157>

Squares R1C9 and R9C9 in column 9 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.

R5C9 - removing <2> from <2457> leaving <457>

R6C9 - removing <2> from <2457> leaving <457>

Intersection of row 9 with block 8. The value <1> 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 <1> from <1235> leaving <235>

R8C5 - removing <1> from <1239> leaving <239>

Intersection of column 7 with block 3. The value <8> 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.

R2C8 - removing <8> from <268> leaving <26>

R3C8 - removing <8> from <2489> leaving <249>

Intersection of column 9 with block 6. The values <457> only appears in one or more of squares R4C9, R5C9 and R6C9 of column 9. These squares are the ones that intersect with block 6. Thus, the other (non-intersecting) squares of block 6 cannot contain these values.

R5C7 - removing <4> from <246> leaving <26>

R5C8 - removing <4> from <1246> leaving <126>

R6C8 - removing <4> from <1248> leaving <128>

Squares R5C3<16>, R5C7<26> and R5C8<126> in row 5 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <126>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R5C1 - removing <6> from <346> leaving <34>

R5C2 - removing <1> from <1357> leaving <357>

R5C5 - removing <12> from <123> leaving <3>

R5C1 can only be <4>

R4C6 can only be <5>

R4C9 can only be <7>

R6C6 can only be <2>

R4C4 can only be <1>

R5C9 can only be <5>

R6C1 can only be <8>

R5C2 can only be <7>

R6C9 can only be <4>

R6C8 can only be <1>

R6C4 can only be <7>

R4C2 can only be <3>

R6C2 can only be <5>

R4C1 can only be <6>

R7C2 can only be <9>

R7C8 can only be <3>

R8C2 can only be <1>

R8C3 can only be <6>

R5C3 can only be <1>

R9C1 can only be <3>

R9C4 can only be <2>

R9C9 can only be <9>

R1C4 can only be <3>

R8C5 can only be <9>

R9C5 can only be <1>

R9C6 can only be <6>

R1C9 can only be <2>

R1C6 can only be <9>

R8C4 can only be <5>

R8C6 can only be <3>

R3C5 can only be <2>

R2C8 can only be <6>

R2C7 can only be <8>

R4C8 can only be <8>

R5C8 can only be <2>

R3C2 can only be <8>

R5C7 can only be <6>

R8C8 can only be <4>

R8C7 can only be <2>

R3C8 can only be <9>

R2C2 can only be <2>

R3C7 can only be <4>

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