Please using only printf function to print out this shape:
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Hidden content! * * * * * int main (){printf(" * * * * *** * * * * * ** printf(" * ** * * * * ** * printf(" * * ** * * * * * * * *** ** * * *** * * ** * * * *** ** *** * * *** *** ** * * * * * ** ** * * ** *** * ** ** * ** * **