Solving the eight digital issues, the initial state stored in the document, read to use the A* algorithm to solve 8 digital issues, the target state for the 1238_4765, that is to start from the top left corner is 1, then in the squares in a clockwise order. Concrete steps to solve the output

八数码
......\Eight.class
......\EightDigit.class
......\EightDigit.jar
......\EightDigit.java
......\EightList.class
......\readme.txt

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