32.(2023•盐城三模)在ΔABC\Delta ABCΔABC中,AB=4AB=4AB=4,B=π3B=\frac{\pi }{3}B=3π,A∈(π6,π2)A\in (\frac{\pi }{6},\frac{\pi }{2})A∈(6π,2π),则AB→⋅AC→\overrightarrow{AB}\cdot \overrightarrow{AC}AB⋅AC的取值范围是 ___(0,12)(0,12)(0,12)___.