A Sudoku puzzle with 26 givens.

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I get stuck a lot in situations like these. What is the correct terminology for such a sudoku (all pairs, one triple) and what technique can be used to solve these?

Futoshiki(from Japanese, literally not equal; also known as Hutoshiki, Unequal)Place numbers of the given range in the grid 6x6 such that every

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The average number of backtracks required to solve ensembles of a

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A Sudoku puzzle with 26 givens.