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The minimum possible number of moves for this
puzzle is 16. One of many possible solutions is given below. In the
solution the numbers correspond to the board's cells. Every move is
shown as two numbers - start and finish cells.
1 - 8, 7 - 6, 9 - 2, 3 - 4,
8 - 3, 6 - 1, 2 - 7, 4 - 9,
3 - 4, 1 - 8, 7 - 6, 9 - 2,
4 - 9, 8 - 3, 6 - 1, 2 - 7. |
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