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Daily Sudoku Answer 



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Jun 27 - Very Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s020385



Reasoning 



R8C6 can only be <7>

R7C6 can only be <6>

R9C6 can only be <8>

R6C6 can only be <2>

R2C8 is the only square in row 2 that can be <9>

R3C4 is the only square in row 3 that can be <8>

R5C2 is the only square in row 5 that can be <2>

R6C7 is the only square in row 6 that can be <9>

R7C3 is the only square in row 7 that can be <9>

R4C1 is the only square in row 4 that can be <9>

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

R8C5 is the only square in row 8 that can be <9>

R9C8 is the only square in row 9 that can be <2>

R1C9 is the only square in row 1 that can be <2>

R8C2 is the only square in column 2 that can be <4>

R8C7 is the only square in row 8 that can be <3>

R5C8 is the only square in row 5 that can be <3>

R5C5 is the only square in row 5 that can be <8>

R4C3 is the only square in block 4 that can be <1>

Squares R3C1 and R3C3 in row 3 form a simple naked pair. These 2 squares both contain the 2 possibilities <67>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R3C7 - removing <6> from <146> leaving <14>

R3C8 - removing <7> from <147> leaving <14>

R1C8 is the only square in column 8 that can be <7>

Squares R3C7 and R7C7 in column 7 form a simple naked pair. These 2 squares both contain the 2 possibilities <14>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R1C7 - removing <1> from <156> leaving <56>

R5C7 - removing <4> from <456> leaving <56>

R5C9 is the only square in row 5 that can be <4>

R7C9 can only be <1>

R4C8 can only be <8>

R7C7 can only be <4>

R6C8 can only be <1>

R3C8 can only be <4>

R3C7 can only be <1>

R6C2 is the only square in row 6 that can be <8>

Squares R3C1 and R3C3 in block 1 form a simple naked pair. These 2 squares both contain the 2 possibilities <67>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R1C2 - removing <6> from <356> leaving <35>

R2C3 - removing <67> from <3567> leaving <35>

Squares R3C1, R3C3, R5C1 and R5C3 form a Type-2 Unique Rectangle on <67>.

R4C2 - removing <5> from <56> leaving <6>

R5C7 - removing <5> from <56> leaving <6>

R1C7 can only be <5>

R6C9 can only be <5>

R2C9 can only be <6>

R1C2 can only be <3>

R9C2 can only be <5>

R2C3 can only be <5>

R5C3 can only be <7>

R5C1 can only be <5>

R3C3 can only be <6>

R9C5 can only be <1>

R8C1 can only be <1>

R9C1 can only be <6>

R1C5 can only be <6>

R8C4 can only be <5>

R1C4 can only be <1>

R6C5 can only be <7>

R3C1 can only be <7>

R9C3 can only be <3>

R6C4 can only be <6>

R2C5 can only be <4>

R4C4 can only be <3>

R2C6 can only be <3>

R4C5 can only be <5>

R2C4 can only be <7>

R4C6 can only be <4>



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