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Daily Sudoku Answer 



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Jun 11 - Very Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s060566



Reasoning 



R2C4 can only be <6>

R5C7 can only be <9>

R6C2 can only be <5>

R6C4 can only be <9>

R2C2 is the only square in row 2 that can be <9>

R3C8 is the only square in row 3 that can be <4>

R7C2 is the only square in row 7 that can be <4>

R8C8 is the only square in row 8 that can be <9>

R2C8 is the only square in column 8 that can be <8>

R8C1 is the only square in column 1 that can be <8>

Squares R4C2 and R4C4 in row 4 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 row.

R4C5 - removing <7> from <267> leaving <26>

Squares R4C8 and R6C8 in column 8 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.

R1C8 - removing <16> from <1356> leaving <35>

R7C8 - removing <1> from <137> leaving <37>

R9C8 - removing <6> from <567> leaving <57>

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

R7C5 is the only square in row 7 that can be <2>

R4C5 can only be <6>

R8C6 can only be <4>

R8C4 can only be <7>

R5C6 can only be <5>

R4C8 can only be <1>

R6C5 can only be <3>

R4C6 can only be <2>

R6C8 can only be <6>

R5C5 can only be <7>

R2C6 can only be <3>

R6C6 can only be <1>

R3C5 can only be <5>

R4C4 can only be <8>

R2C7 can only be <2>

R4C2 can only be <7>

R5C4 can only be <4>

R5C3 can only be <8>

R3C2 is the only square in row 3 that can be <8>

Squares R9C1 and R9C8 in row 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <57>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R9C9 - removing <5> from <256> leaving <26>

Squares R1C2 and R1C9 in row 1 and R9C2 and R9C9 in row 9 form a Simple X-Wing pattern on possibility <6>. All other instances of this possibility in columns 2 and 9 can be removed.

R8C2 - removing <6> from <236> leaving <23>

R8C9 - removing <6> from <256> leaving <25>

Squares R1C2 and R8C7 form a remote naked pair. <36> can be removed from any square that is common to their groups.

R8C2 - removing <3> from <23> leaving <2>

R8C9 can only be <5>

R9C2 can only be <6>

R2C9 can only be <1>

R9C8 can only be <7>

R9C9 can only be <2>

R1C2 can only be <3>

R8C3 can only be <3>

R9C1 can only be <5>

R7C8 can only be <3>

R1C8 can only be <5>

R3C3 can only be <6>

R1C1 can only be <1>

R1C9 can only be <6>

R3C7 can only be <3>

R8C7 can only be <6>

R7C3 can only be <7>

R2C1 can only be <7>

R2C3 can only be <5>



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