diff --git a/JHLEE325/202508/09 BOJ G1 2048 (Easy).md b/JHLEE325/202508/09 BOJ G1 2048 (Easy).md
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+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static int n;
+    static int answer = 0;
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        n = Integer.parseInt(br.readLine());
+        StringTokenizer st;
+
+        int[][] board = new int[n][n];
+
+        for (int i = 0; i < n; i++) {
+            st = new StringTokenizer(br.readLine());
+            for (int j = 0; j < n; j++) {
+                board[i][j] = Integer.parseInt(st.nextToken());
+                answer = Math.max(answer, board[i][j]);
+            }
+        }
+        dfs(0, board);
+        System.out.println(answer);
+    }
+
+    static void dfs(int depth, int[][] b) {
+        if (depth == 5) {
+            answer = Math.max(answer, maxTile(b));
+            return;
+        }
+        dfs(depth + 1, moveUp(b));
+        dfs(depth + 1, moveDown(b));
+        dfs(depth + 1, moveLeft(b));
+        dfs(depth + 1, moveRight(b));
+    }
+
+    static int maxTile(int[][] b) {
+        int mx = 0;
+        for (int[] row : b) for (int v : row) mx = Math.max(mx, v);
+        return mx;
+    }
+
+    static int[][] moveLeft(int[][] b) {
+        int[][] nb = new int[n][n];
+        for (int r = 0; r < n; r++) {
+            Deque<Integer> q = new ArrayDeque<>();
+            for (int c = 0; c < n; c++) if (b[r][c] != 0) q.offerLast(b[r][c]);
+
+            int idx = 0;
+            while (!q.isEmpty()) {
+                int cur = q.pollFirst();
+                if (!q.isEmpty() && cur == q.peekFirst()) {
+                    cur += q.pollFirst();
+                }
+                nb[r][idx++] = cur;
+                answer = Math.max(answer, cur);
+            }
+        }
+        return nb;
+    }
+
+    static int[][] moveRight(int[][] b) {
+        int[][] nb = new int[n][n];
+        for (int r = 0; r < n; r++) {
+            Deque<Integer> q = new ArrayDeque<>();
+            for (int c = n - 1; c >= 0; c--) if (b[r][c] != 0) q.offerLast(b[r][c]);
+
+            int idx = n - 1;
+            while (!q.isEmpty()) {
+                int cur = q.pollFirst();
+                if (!q.isEmpty() && cur == q.peekFirst()) {
+                    cur += q.pollFirst();
+                }
+                nb[r][idx--] = cur;
+                answer = Math.max(answer, cur);
+            }
+        }
+        return nb;
+    }
+
+    static int[][] moveUp(int[][] b) {
+        int[][] nb = new int[n][n];
+        for (int c = 0; c < n; c++) {
+            Deque<Integer> q = new ArrayDeque<>();
+            for (int r = 0; r < n; r++) if (b[r][c] != 0) q.offerLast(b[r][c]);
+
+            int idx = 0;
+            while (!q.isEmpty()) {
+                int cur = q.pollFirst();
+                if (!q.isEmpty() && cur == q.peekFirst()) {
+                    cur += q.pollFirst();
+                }
+                nb[idx++][c] = cur;
+                answer = Math.max(answer, cur);
+            }
+        }
+        return nb;
+    }
+
+    static int[][] moveDown(int[][] b) {
+        int[][] nb = new int[n][n];
+        for (int c = 0; c < n; c++) {
+            Deque<Integer> q = new ArrayDeque<>();
+            for (int r = n - 1; r >= 0; r--) if (b[r][c] != 0) q.offerLast(b[r][c]);
+
+            int idx = n - 1;
+            while (!q.isEmpty()) {
+                int cur = q.pollFirst();
+                if (!q.isEmpty() && cur == q.peekFirst()) {
+                    cur += q.pollFirst();
+                }
+                nb[idx--][c] = cur;
+                answer = Math.max(answer, cur);
+            }
+        }
+        return nb;
+    }
+}
+
+```