Sudoku

Each puzzle consists of a 9×9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column and 3×3 box. To play, click the small number in the box to assign that number to the square.

1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
2
5
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
7
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
7
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
3
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
4
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
5
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
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7
8
9
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
6
1
2
3
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7
8
9
1
2
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7
8
9
1
2
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4
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7
8
9
1
2
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8
9
8
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
7
2
1
2
3
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5
6
7
8
9
1
2
3
4
5
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8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
9
6
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
5
1
2
3
4
5
6
7
8
9
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
2
6
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
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9
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9
1
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9
4
1
2
3
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9
7
1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
Puzzle #56847, Won: 0, Lost: 0.
Level: , Won: 0, Lost: 4.
Same New Empty Help
Click left to select, click right to remove option, type digit to show. There are 200000 puzzles available.
LevelTotalWonLost
11428941043
236650211
3107000
41817204
54200
6114000
73200