A triangle \(ABC\) has vertices \(A(-6,2)\), \(B(3,3)\), and \(C(0,0)\) as shown in the diagram.

This triangle is rotated \(90^\circ\) counterclockwise about the vertex \(C\) to produce the image \(A'B'C'\).

Draw the image and state the coordinates of \(A'\), \(B'\), and \(C'\).