The program basically solves the 8-Puzzle game with different initial cases using the a* search. The fully tracing is shown in the graph
https://github.com/alperkagankayali/8-Puzzle-Solver/blob/master/the%20graph.png
in order to run the program one needs to install GraphStream external library.
Get GraphStream here: https://graphstream-project.org/
The program is based on Maven repository.