Step-by-Step Solution

for Tuesday 23rd December Tricky

Number 2 is the only value possible in cell (3,6).

Single Candidate

Number 6 is the only value possible in cell (3,1).

Single Candidate

Number 1 is the only value possible in cell (7,9).

Single Candidate

Number 2 is the only value possible in cell (1,9).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

For column 4, Number 8 is only possible in cell (4,6)

Single Position

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

Single Position

Number 2 is the only value possible in cell (8,5).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Position

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

Single Position

For row 6, number 4 is only possible in cell (1,6)

Single Position

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

Single Position

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

Single Position

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 3 is the only value possible in cell (8,2).

Single Candidate

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

Single Candidate

Number 5 is the only value possible in cell (8,3).

Single Candidate

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

Single Candidate

Number 1 is the only value possible in cell (2,4).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 2 is the only value possible in cell (5,4).

Single Candidate

Number 5 is the only value possible in cell (6,4).

Single Candidate

Naked Pair for 2 and 9, can remove these as candidates from other cells.

Naked Pairs

Naked Pair for 2 and 9, can remove these as candidates from other cells.

Naked Pairs

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

Single Candidate

Number 8 is the only value possible in cell (5,1).

Single Candidate

Number 4 is the only value possible in cell (9,1).

Single Candidate

Number 9 is the only value possible in cell (5,2).

Single Candidate

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

Single Candidate

Number 9 is the only value possible in cell (7,1).

Single Candidate

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

Single Candidate

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

Single Candidate

Number 8 is the only value possible in cell (9,2).

Single Candidate

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

Single Candidate

Number 2 is the only value possible in cell (7,3).

Single Candidate

Number 6 is the only value possible in cell (9,3).

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

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

Single Candidate

Number 4 is the only value possible in cell (5,7).

Single Candidate

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

Single Candidate