\begin{tikzpicture} \draw (0, 0) grid (4, 4); \node at (0.5, 3.5) {16384}; \node at (1.5, 3.5) {8192}; \node at (2.5, 3.5) {4096}; \node at (3.5, 3.5) {2048}; \node at (0.5, 2.5) {32}; \node at (1.5, 2.5) {16}; \node at (2.5, 2.5) {8}; \node at (3.5, 2.5) {4}; \node at (2.5, 0.5) {4}; \draw[<-] (0, -0.5) -- (3.8, -0.5); \draw[<-] (4.5, 4) -- (4.5, 0.5); \end{tikzpicture}