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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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  Subject Author Date
re(2): One possible solutionbroll2010-04-09 11:04:48
re: One possible solutionbrianjn2010-02-16 21:08:19
re(2): Move Regimesbrianjn2010-02-15 19:39:11
SolutionOne possible solutionDej Mar2010-02-15 10:33:30
re: Move RegimesDej Mar2010-02-15 08:39:02
Some ThoughtsMove Regimesbrianjn2010-02-14 02:52:17
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