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A chessboard is 8 by 8 grid of squares . Different chess pieces have different rules...

A chessboard is 8 by 8 grid of squares . Different chess pieces have different rules for how they can move on the chessboard. The king piece can move from its current square to any square that is either directly or diagonally adjacent.if the king starts in a corner , and at each step , chooses from among its permissible moves with equal probability, how long on average will it take for the piece to return to that corner

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