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Difficulty:

Sudoku puzzle explanation

Sudoku is a diagram of nine by nine boxes in which the numbers from 1 to 9 must be entered. The diagram of 9x9 is again subdivided into a box of 3x3. A number from 1 to 9 must be entered in each box.
In order to solve the puzzle, the boxes must be filled in such a way that in each row, every column and each box of 3x3 the numbers 1 to 9 only occur once.

You do not have to be a clever head, just a little patience and logical reasoning is needed to solve the puzzle.

Sudoku 2 -

3	4	9	2	6	1	5	8	7
1	8	7	3	5	9	2	4	6
6	5	2	7	4	8	1	9	3
8	6	4	1	2	5	7	3	9
9	1	5	6	7	3	8	2	4
2	7	3	8	9	4	6	1	5
5	2	8	4	3	7	9	6	1
7	3	6	9	1	2	4	5	8
4	9	1	5	8	6	3	7	2

First select a number or an edit function (erase for example) and then click in a box of the sudoku.

solution print this solution

3	4	9	2	6	1	5	8	7
1	8	7	3	5	9	2	4	6
6	5	2	7	4	8	1	9	3
8	6	4	1	2	5	7	3	9
9	1	5	6	7	3	8	2	4
2	7	3	8	9	4	6	1	5
5	2	8	4	3	7	9	6	1
7	3	6	9	1	2	4	5	8
4	9	1	5	8	6	3	7	2

3	4	9	2	6	1	5	8	7
1	8	7	3	5	9	2	4	6
6	5	2	7	4	8	1	9	3
8	6	4	1	2	5	7	3	9
9	1	5	6	7	3	8	2	4
2	7	3	8	9	4	6	1	5
5	2	8	4	3	7	9	6	1
7	3	6	9	1	2	4	5	8
4	9	1	5	8	6	3	7	2

Difficulty:

Sudoku puzzle explanation

Sudoku 2 -

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3	4	9	2	6	1	5	8	7
1	8	7	3	5	9	2	4	6
6	5	2	7	4	8	1	9	3
8	6	4	1	2	5	7	3	9
9	1	5	6	7	3	8	2	4
2	7	3	8	9	4	6	1	5
5	2	8	4	3	7	9	6	1
7	3	6	9	1	2	4	5	8
4	9	1	5	8	6	3	7	2