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Medium

Medium

Puzzle

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

Logic required

Locked candidates

Hardest technique: Box/Line Reduction

In this puzzle

Solution

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Techniques Every pattern the solver knows, explained Campaign Learn each technique in order, then prove you found it Tournament This month's leaderboard, built on the daily challenge Friends Send and accept friend requests Settings Defaults, account and contact Build your own Type in a puzzle and check it's solvable

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