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3x4 Knight Swap (Posted on 2010-02-13) Difficulty: 3 of 5
Eight white chess knights are placed on a 3x4 chessboard, four along the top row and four along the bottom, which are labeled as P, Q, R, S, T, U, V and W, as shown in the figure.

Exchange the positions of P and T, Q and U, R and V, and S and W in minimum possible number of moves.

P Q R S
T U V W


Let the squares be identified from 1 through 12 being read from left to right down.

No Solution Yet Submitted by K Sengupta    
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re(2): Move Regimes | Comment 4 of 6 |
(In reply to re: Move Regimes by Dej Mar)

Fixed.  My arrangement for T had the same flaw but my S and W were fine.

That data incidentally didn't impede my thoughts in trying for a solution however as I compiled that data later.

  Posted by brianjn on 2010-02-15 19:39:11

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