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Hard

Hard

Puzzle

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

Logic required

Pairs

Hardest technique: Naked Pair

In this puzzle

Solution

Solve the puzzle to reveal the solution.

More

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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