Fill board so that each column, each row, and each of the nine 3x3 boxes contain the digits from 1 to 9 only one time each.
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Generator
Solving Sudoku on-line:
You fill in the diagram with digits. When you complete the diagram, you will be
informed if it’s correct or not. If you were logged and the diagram was correct, points will be
added to ranking.
You can also choose option “Enter and solve your own Sudoku” and fill the diagram with
any digits. Click the button “Start solving” and you will get information if Sudoku has got a
solution.
Clicking option „Hint!” for the first time, will show the field where (in accordance with
methods) you can put a digit.
If this hint is not enough, clicking option „Hint!” for the next time, display the digit.
When you click option „Pencils”, possible suggested digits will appear on the diagram. Some
digits are removed automatically by using the method: single digit in a box and in the line.
By clicking the digit, it gets removed - digit is getting faint. Clicking it again, brings the digit back.
In more difficult diagrams, option “Hint!” means marking all hints which lead to digits’
elimination. Eliminating digits will be marked green and digits which are to be eliminated –
orange. When you click the option “Hint!” the name of method will appear.
Diagrams with number: 202-300 have got interesting geometrical digits’ configuration. We
recommend them!
Sudoku diagonal
In the diagram, digits in one of the diagonals can’t be repeated.
Sudoku X
Digits can’t be repeated in both diagonals.
HyperSudoku
In the diagram 9x9, you can find additional 3x3 four boxes, where digits also can’t be
repeated.
Specific method for this kind of Sudoku is about finding digits, which can be put in
both overlapping boxes at the same time.
Double Sudoku
Sudoku which consists of two sudoku diagrams.
Tripple Sudoku
Sudoku which consists of three sudoku diagrams.
Double column Sudoku
Sudoku which consists of two sudoku diagrams stacked in one column.
Tripple column Sudoku
Sudoku which consists of three sudoku diagrams stacked in one column.
Sudoku Slant
In colored lines digitis can't be repeated.
