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From Reyneiro Hernandez:
Enjoy finding the solutions using your logic and problem solving skills. Work out the secret color sequence using just 7 moves. Place the colored balls into the empty slots and hit the ok button, a black circle represents the right color in the right place while a white circle represents the right color in the wrong place.The tricky part is working out which colored balls are represented by the black and white circles. Use each of your turns to narrow down the possibilities and find the solution.