Question: Given a chessboard with 4 rows and 3 columns, 3 white knights (horses) are in the top row and 3 black in the bottom row.

Given a chessboard with 4 rows and 3 columns, 3 white knights (horses) are in the top row and 3 black in the bottom row. In the least number of moves exchange the horses. Hint: use graph representation of the problem.

B B B W W W

0 0 0 min # of turns 0 0 0

0 0 0 =======> 0 0 0

W W W B B B

Can you please show step by step of the moves?

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