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Chef is trying to cook a new dish. This is the type of the dish that even Gordan Ramsay cannot resist. The dish can be represented as a square matrix of $N$ × $N$. The elements of the matrix represents the ingredients. There are a total of $30$ distinct ingredients numbered from 1 to 30. (Ingredients maybe repeated in a dish). The Prime Minister of Chef Land is visiting to taste the Chef's dish.

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solution.cppC++17

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