diff --git a/Test_case/level_1/0.json b/Test_case/level_1/0.json
new file mode 100644
index 0000000000000000000000000000000000000000..7d473f08a93327d51cb5405a8229b72f99e3fe06
--- /dev/null
+++ b/Test_case/level_1/0.json
@@ -0,0 +1,32 @@
+{
+  "upper": [
+    [
+      "r",
+      4,
+      -4
+    ]
+  ],
+  "lower": [
+    [
+      "s",
+      -4,
+      4
+    ],
+    [
+      "r",
+      -1,
+      1
+    ],
+    [
+      "r",
+      1,
+      -1
+    ],
+    [
+      "r",
+      3,
+      -3
+    ]
+  ],
+  "block": []
+}
\ No newline at end of file