Eight 3 × 3 digital issues in the board, placed eight pieces, each piece marked with number 1 to 8, a different number of pieces on the subject is not the same. There is also a board space, and spaces adjacent pieces can be moved to the space. For the settlement of the question is: given an initial state and a target state, to find a target state from the initial movement into the least number of pieces of mobile-step procedure.

MySpath\Debug
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.......\MySpath.ncb
.......\MySpath.sln
.......\MySpath.suo
.......\MySpath
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.......\.......\.....\MySpath.exe.intermediate.manifest
.......\.......\.....\Spath.obj
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.......\.......\MySpath.vcproj.FAREAST.v-xowng.user
.......\.......\Spath.cpp
.......\.......\Spath.h

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