"Algorithm X" meaning in English

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        "A recursive, nondeterministic, depth-first backtracking algorithm for solving the decision problem of whether an exact cover exists."
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        "(computing theory) A recursive, nondeterministic, depth-first backtracking algorithm for solving the decision problem of whether an exact cover exists."
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  "word": "Algorithm X"
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        "(computing theory) A recursive, nondeterministic, depth-first backtracking algorithm for solving the decision problem of whether an exact cover exists."
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