# Step-by-Step Solutionfor Saturday 14th May Medium

## After

First step:
Add in all possible valid pencilmarks.

Number 2 is the only value possible in cell (8,1).

Single Candidate

Number 5 is the only value possible in cell (6,5).

Single Candidate

Number 3 is the only value possible in cell (4,5).

Single Candidate

For row 4, number 1 is only possible in cell (3,4)

Single Position

For row 8, number 3 is only possible in cell (3,8)

Single Position

For row 4, number 5 is only possible in cell (1,4)

Single Position

Number 9 is the only value possible in cell (1,1).

Single Candidate

Number 1 is the only value possible in cell (9,1).

Single Candidate

Number 5 is the only value possible in cell (7,1).

Single Candidate

Number 8 is the only value possible in cell (4,1).

Single Candidate

For row 8, number 5 is only possible in cell (2,8)

Single Position

For row 3, number 5 is only possible in cell (3,3)

Single Position

For row 2, number 5 is only possible in cell (4,2)

Single Position

For column 5, Number 9 is only possible in cell (5,7)

Single Position

For box 4, Number 7 is only possible in cell (1,5)

Single Position

For row 9, number 1 is only possible in cell (6,9)

Single Position

For column 6, Number 8 is only possible in cell (6,8)

Single Position

For row 2, number 1 is only possible in cell (5,2)

Single Position

For row 3, number 1 is only possible in cell (2,3)

Single Position

For row 8, number 1 is only possible in cell (7,8)

Single Position

For box 2, Number 7 is only possible in cell (5,3)

Single Position

Number 6 is the only value possible in cell (5,8).

Single Candidate

For row 3, number 2 is only possible in cell (6,3)

Single Position

Number 6 is the only value possible in cell (6,2).

Single Candidate

For box 4, candidates for 8 are all in row 6, so you can remove candidates from other blocks.

Candidate Lines

For box 9, candidates for 8 are all in row 7, so you can remove candidates from other blocks.

Candidate Lines

For box 1, candidates for 4 are all in row 2, so you can remove candidates from other blocks.

Candidate Lines

Number 7 is the only value possible in cell (8,2).

Single Candidate

Naked Pair for 2 and 7, can remove these as candidates from other cells.

Naked Pairs

For column 7, Number 7 is only possible in cell (7,4)

Single Position

Number 4 is the only value possible in cell (9,4).

Single Candidate

Number 8 is the only value possible in cell (8,4).

Single Candidate

Number 7 is the only value possible in cell (9,8).

Single Candidate

Number 2 is the only value possible in cell (4,8).

Single Candidate

Number 7 is the only value possible in cell (4,7).

Single Candidate

Number 2 is the only value possible in cell (2,7).

Single Candidate

Number 9 is the only value possible in cell (2,6).

Single Candidate

Number 4 is the only value possible in cell (1,8).

Single Candidate

Number 2 is the only value possible in cell (1,2).

Single Candidate

Number 4 is the only value possible in cell (3,2).

Single Candidate

Number 6 is the only value possible in cell (3,7).

Single Candidate

Number 2 is the only value possible in cell (3,5).

Single Candidate

Number 8 is the only value possible in cell (3,6).

Single Candidate

Number 6 is the only value possible in cell (1,6).

Single Candidate

Number 3 is the only value possible in cell (7,6).

Single Candidate

Number 9 is the only value possible in cell (7,2).

Single Candidate

Number 3 is the only value possible in cell (9,2).

Single Candidate

Number 6 is the only value possible in cell (7,5).

Single Candidate

Number 4 is the only value possible in cell (7,3).

Single Candidate

Number 6 is the only value possible in cell (8,3).

Single Candidate

Number 9 is the only value possible in cell (9,5).

Single Candidate

Number 2 is the only value possible in cell (9,6).

Single Candidate

Number 8 is the only value possible in cell (7,7).

Single Candidate

Number 4 is the only value possible in cell (8,7).

Single Candidate

Number 8 is the only value possible in cell (1,9).

Single Candidate

Number 7 is the only value possible in cell (2,9).

Single Candidate

Number 9 is the only value possible in cell (3,9).

Single Candidate

Number 6 is the only value possible in cell (9,9).

Single Candidate

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