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Futoshiki

Fill the grid so every row and every column holds each number once, 1 to 4 on the smallest grids and 1 to 6 on the largest. The signs between squares say which number is bigger.

Each puzzle is proved by a solver to have exactly one solution, with no sign or given number more than it needs: every clue left on the page is one you will use.

Futoshiki 4 by 4

2 signs, 2 given numbers.

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Futoshiki 4 by 4

6 signs, 0 given numbers.

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Futoshiki 4 by 4

6 signs, 0 given numbers.

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Futoshiki 4 by 4

5 signs, 1 given numbers.

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Futoshiki 5 by 5

6 signs, 3 given numbers.

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Futoshiki 5 by 5

9 signs, 1 given numbers.

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Futoshiki 5 by 5

9 signs, 1 given numbers.

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Futoshiki 5 by 5

9 signs, 1 given numbers.

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Futoshiki 6 by 6

10 signs, 6 given numbers.

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Futoshiki 6 by 6

9 signs, 5 given numbers.

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Futoshiki 6 by 6

13 signs, 3 given numbers.

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Futoshiki 6 by 6

6 signs, 8 given numbers.

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