Heads_and_tails * program description: nine coins are placed in a 3x3 matrix with some face up * and some face down. the state of the coins can coincide with the values * 0 (heads) and 1 (tails). their are a total of 512 possibilities, so you can * use decimal numbers 0, 1 ,2 , 511 to represent all the states of the * matrix. in this program the values h (heads) and t (tails)are used. it prompts * the user to enter a number between 0 and 511 and displays the corresponding * 3x3 matrix with the characters h and t.