diff --git a/README.md b/README.md
index 7d8b78d..d39dcdd 100644
--- a/README.md
+++ b/README.md
@@ -287,8 +287,87 @@ break;
 
 给出若干测试用例，包括输入、预期结果、运行结果或是否通过测试。运行结果和预期结果一致，为通过测试。
 测试 输入 10 8
-         100 10
-         150 15
+```
++   +   +   +   +   +   +   +   +
+            |       |           |
++   +---+---+---+   +   +---+   +
+            |       |       |   |
++---+   +---+   +   +   +---+---+
+        |   |   |           |   |
++   +   +   +   +---+   +---+   +
+    |               |   |       |
++---+---+   +---+---+---+---+   +
+        |       |       |       |
++   +---+   +   +   +   +   +---+
+        |   |       |           |
++---+   +---+---+   +   +---+---+
+    |               |   |       |
++   +---+---+   +---+---+   +---+
+            |   |           |   |
++---+---+   +   +---+   +---+   +
+        |               |   |   |
++   +   +   +   +---+   +   +   +
+    |       |   |               |
++   +   +   +   +---+   +   +   +
+```
+         10 10
+```
++   +   +   +   +   +   +   +   +   +   +
+        |       |   |   |               |
++   +---+   +---+   +   +   +---+---+   +
+    |   |               |           |   |
++   +   +---+   +---+---+   +---+   +---+
+        |           |   |       |   |   |
++---+   +---+   +---+   +---+   +---+   +
+    |   |           |               |   |
++   +   +   +---+---+   +---+---+---+   +
+                |   |                   |
++---+   +   +---+   +---+   +---+---+---+
+    |   |   |       |                   |
++   +   +---+---+   +---+   +---+---+---+
+            |                       |   |
++   +   +---+   +   +---+---+   +---+   +
+    |           |       |           |   |
++   +---+   +---+   +---+---+   +   +   +
+        |   |           |       |       |
++   +---+   +   +   +   +   +---+---+   +
+        |   |   |   |   |       |       |
++   +---+   +   +   +   +   +---+---+   +
+```
+         15 15
+```
++   +   +   +   +   +   +   +   +   +   +   +   +   +   +   +
+    |   |       |           |   |           |           |   |
++   +   +   +   +   +   +---+   +---+   +---+   +   +---+   +
+        |   |   |   |               |   |   |   |           |
++---+   +   +---+   +   +---+---+---+   +   +---+   +   +   +
+    |               |               |               |   |   |
++   +---+---+---+   +---+   +---+---+   +   +---+---+   +   +
+    |               |   |               |       |       |   |
++   +   +   +   +---+   +---+   +   +   +   +   +---+   +   +
+    |   |   |   |   |           |   |   |   |   |   |   |   |
++   +---+   +---+   +---+   +   +---+   +---+---+   +   +---+
+        |               |   |   |               |           |
++---+   +   +---+   +---+   +   +---+---+   +---+   +---+---+
+                |       |   |           |       |   |   |   |
++   +---+   +---+---+---+---+---+---+---+   +---+---+   +   +
+        |           |           |               |           |
++   +---+   +---+---+---+---+   +   +   +   +   +---+   +   +
+    |       |   |   |       |   |   |   |   |       |   |   |
++---+   +   +   +   +   +---+   +---+   +   +   +---+---+   +
+        |       |                       |   |           |   |
++   +---+   +   +---+   +---+   +   +---+---+   +---+---+   +
+        |   |   |           |   |           |           |   |
++   +---+   +---+---+---+---+---+---+---+---+---+   +---+   +
+    |       |       |   |               |   |       |   |   |
++   +---+   +---+   +   +---+   +   +---+   +---+   +   +   +
+    |               |           |       |           |   |   |
++   +   +   +   +   +   +---+---+   +---+   +   +---+   +   +
+    |   |   |   |       |           |       |               |
++   +   +---+---+---+   +---+   +---+   +   +---+   +   +---+
+    |           |           |   |       |       |   |       |
++   +   +---+---+---+   +---+   +---+   +   +---+   +   +---+
+```
          均成功构成迷宫