Give me Five Sudoku

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.

Sum and difference of two orthogonally adjacent numbers must not be 5.

Sudokus that no one can solve

Sudokus that no one can solve, not only including Sudokus which are very difficult but also those that no one has tried to solve.

数独 | Cool Sudoku | 数独 | Sudoku Puzzle | 賢くなるパズル

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Samurai Sudoku

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Sudokus with no one can solve

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Greater Than Sudoku

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Skyscrapers Sudoku

Hybrid Sudoku ( X Sums + Consecutive )

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Hybrid Sudoku ( X Sums + Consecutive )

Kropki Sudoku

Hybrid Sudoku ( Consecutive Pairs + Sum Frame )

Consecutive Sudoku

XV Sudoku

Greater Than Kropki Sudoku

Consecutive Sudoku

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MiniMax Sudoku

XV Sudoku

Count different Sudoku

Hybrid Sudoku ( X Sums + Greater Than )

Products Sudoku

Color Sudoku

Hybrid Sudoku ( Greater Than + Sum Frame )

Maximin Sudoku

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Give me Five Sudoku

Sudokus that no one can solve