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Achi

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Stage: 1 and 2 Challenge Level: Challenge Level:2 Challenge Level:2
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This is a game for one player. Exchange the positions of the two sets of counters in the least possible number of moves. A counter may be moved by sliding it to an adjacent empty square or by jumping over an adjacent counter of either colour into an empty square. It is possible to do this in forty six moves, but if you can succeed in fifty moves you are doing well.