You have a square 5 x 5 board with four rooks in the corners:
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Note: for reference, assume the rooks are labeled A, B, C, D as follows:
A B
C D
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You can move the rooks horizontally or vertically. The only problem is that when you move a rook, it will keep going in the same direction until it hits another rook or the edge of the board.
You want to move a rook into the darkened square on the board.
How can this be done in no more than 10 moves?
(In reply to
Solution by not_so_einstein)
Then, on move 4... A will continue THROUGH the darkened square and end
up at A3. (Remember, the problem says that the rooks continue
until they hit another rook or the edge of the board.)