Step-by-Step Solution

for Sunday 22nd December Medium

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

Single Candidate

Number 1 is the only value possible in cell (5,3).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 3 is the only value possible in cell (1,2).

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (2,1).

Single Candidate

Number 5 is the only value possible in cell (3,1).

Single Candidate

Number 2 is the only value possible in cell (6,1).

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (7,3).

Single Candidate

For row 9, number 9 is only possible in cell (3,9)

Single Position

For row 2, number 2 is only possible in cell (9,2)

Single Position

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

Single Candidate

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

Single Candidate

Number 6 is the only value possible in cell (9,5).

Single Candidate

For row 2, number 6 is only possible in cell (7,2)

Single Position

For row 5, number 5 is only possible in cell (7,5)

Single Position

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

Single Position

For row 7, number 1 is only possible in cell (3,7)

Single Position

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

Single Position

For column 7, Number 1 is only possible in cell (7,6)

Single Position

For row 6, number 4 is only possible in cell (8,6)

Single Position

Number 3 is the only value possible in cell (8,1).

Single Candidate

Number 4 is the only value possible in cell (7,1).

Single Candidate

For box 4, candidates for 8 are all in column 2, so you can remove candidates from other blocks.

Candidate Lines

For row 9, number 8 is only possible in cell (8,9)

Single Position

For column 8, Number 2 is only possible in cell (8,8)

Single Position

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

Single Position

Number 8 is the only value possible in cell (2,6).

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (6,2).

Single Candidate

Number 7 is the only value possible in cell (5,2).

Single Candidate

Number 2 is the only value possible in cell (5,6).

Single Candidate

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

Single Position

For row 8, number 6 is only possible in cell (4,8)

Single Position

For row 4, number 6 is only possible in cell (5,4)

Single Position

For row 5, number 7 is only possible in cell (8,5)

Single Position

Number 9 is the only value possible in cell (8,4).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 1 is the only value possible in cell (2,5).

Single Candidate

Number 9 is the only value possible in cell (4,5).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 3 is the only value possible in cell (6,5).

Single Candidate

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

Single Candidate

Number 3 is the only value possible in cell (5,7).

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (1,7).

Single Candidate

Number 2 is the only value possible in cell (4,7).

Single Candidate

Number 7 is the only value possible in cell (1,8).

Single Candidate

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

Single Candidate

Number 7 is the only value possible in cell (4,9).

Single Candidate

Number 3 is the only value possible in cell (7,9).

Single Candidate