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Q21 (CAPF/2023) Miscellaneous & General Knowledge › Important Days, Places & Events › Important Days, Places & Events

A rectangular wall is divided into four squares of equal size where there are two rows each having two squares. The top left square is colored with green. If, including green, there are three colors available and each square is colored using any one of these three colors such that no two adjacent squares get painted with the same color; then how many color combinations are possible?

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