Sibling Rivalry

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Byteland is a truly marvellous 2-dimensional landscape. It is of the shape of a rectangle with side lengths N & M and it has N*M identical cities each of dimension 1 x 1. Suriya is the proud ruler of Byteland. He had two sons Shyam and Varun who didn't get along that well due to their inherent differences. Suriya's golden rule has come to an end due to his sickness and the siblings started fighti

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