Daily Sudoku Answer 

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R3C4 is the only square in row 3 that can be <3>

R5C7 is the only square in row 5 that can be <3>

R6C4 is the only square in row 6 that can be <9>

R7C6 is the only square in row 7 that can be <3>

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

R7C5 is the only square in row 7 that can be <6>

R3C3 is the only square in row 3 that can be <6>

R9C9 is the only square in row 9 that can be <6>

Squares R7C2 and R8C2 in column 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <27>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R2C2 - removing <27> from <2578> leaving <58>

R4C2 - removing <7> from <5678> leaving <568>

R6C2 - removing <7> from <67> leaving <6>

R4C8 is the only square in column 8 that can be <6>

Squares R7C2 and R8C2 in block 7 form a simple naked pair. These 2 squares both contain the 2 possibilities <27>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R7C1 - removing <7> from <47> leaving <4>

R9C3 - removing <2> from <1249> leaving <149>

R7C7 can only be <2>

R7C2 can only be <7>

R8C2 can only be <2>

R8C5 can only be <9>

R9C6 is the only square in row 9 that can be <2>

Squares R3C5 and R3C8 in row 3 form a simple naked pair. These 2 squares both contain the 2 possibilities <12>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R3C9 - removing <12> from <1279> leaving <79>

Squares R9C1 and R9C3 in row 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <19>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R9C7 - removing <1> from <148> leaving <48>

Squares R2C5 and R3C5 in block 2 form a simple naked pair. These 2 squares both contain the 2 possibilities <12>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R2C6 - removing <1> from <179> leaving <79>

Intersection of column 9 with block 6. The value <1> 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 this value.

R6C7 - removing <1> from <147> leaving <47>

R6C8 - removing <1> from <124> leaving <24>

R8C7 is the only square in column 7 that can be <1>

Squares R4C3<147>, R5C3<14> and R6C1<17> in block 4 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <147>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R4C1 - removing <17> from <1578> leaving <58>

Squares R1C3<279>, R2C3<279> and R3C1<79> in block 1 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <279>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R1C1 - removing <79> from <5789> leaving <58>

Squares R3C5, R3C8, R2C5 and R2C8 form a Type-1 Unique Rectangle on <12>.

R2C8 - removing <12> from <128> leaving <8>

R2C2 can only be <5>

R8C8 can only be <4>

R1C7 can only be <7>

R8C6 can only be <7>

R6C8 can only be <2>

R9C7 can only be <8>

R9C4 can only be <4>

R6C7 can only be <4>

R3C9 can only be <9>

R2C4 can only be <7>

R4C2 can only be <8>

R1C1 can only be <8>

R2C6 can only be <9>

R8C4 can only be <8>

R2C3 can only be <2>

R1C6 can only be <6>

R3C1 can only be <7>

R1C9 can only be <2>

R4C1 can only be <5>

R3C8 can only be <1>

R5C4 can only be <6>

R1C4 can only be <5>

R1C3 can only be <9>

R2C5 can only be <1>

R3C5 can only be <2>

R6C1 can only be <1>

R6C9 can only be <7>

R9C1 can only be <9>

R5C3 can only be <4>

R4C9 can only be <1>

R9C3 can only be <1>

R4C6 can only be <4>

R5C6 can only be <1>

R4C3 can only be <7>

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