Grid Tiling

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Vikas is the chief interior designer incharge of the Taj Palace, Mumbai. He wants to make an impressive and colourful pattern in the courtyard. Importing exotic tiles has become very difficult after the Mumbai terror attacks, and therefore Vikas has only 4 kinds of tiles to choose from: A B C D == == == == XX X X X XX X XX Any rotation of above tiles is also permitted. Each tile is available

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solution.cppC++17

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