wait for 20ns;
		for i in 0 to 3 loop
			C <= std_logic_vector( to_unsigned( i, 2 ) );
			for j in 0 to 15 loop
				A <= std_logic_vector( to_unsigned( j, 4 ) );
				for k in 0 to 15 loop
					B <= std_logic_vector( to_unsigned( k, 4 ) );
					wait for 20ns;
				end loop;
			end loop;
		end loop;