Puzzles

1. Fill the grid

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2. Code breaker

The puzzle
Can you crack the code?

659 has exactly one digit correct, in the wrong position.
195 has exactly one digit correct, in the wrong position.
975 has exactly one digit correct, in the wrong position.
591 has exactly one digit correct, in the wrong position.

Solution: _ _ _

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Solution
The solution is: 7 1 6.

3. Nameless puzzle #2

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