Fix Tetris 2P preview block synchronization issue

- Prevent duplicate piece shapes when generating next pieces
- Enhanced randomTetromino() with excludeShape parameter
- Update piece placement logic to avoid visual duplicates
- Improve initial state generation for both players
- Add P1 and P2 next piece previews in 2P mode

test.py

@@ -0,0 +1,32 @@
+import requests
+
+query = "OpenAI GPT-5"
+url = "http://search.severijnse.eu/search"
+
+params = {
+    "q": query,
+    "tbm": "web",
+    "num": 5,
+    "safe": "off",
+    "format": "json"
+}
+
+headers = {
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)"
+}
+
+response = requests.get(url, params=params, headers=headers)
+
+if response.status_code == 200:
+    try:
+        data = response.json()
+        if "results" in data:
+            for result in data["results"]:
+                print(result["title"], "-", result["url"])
+        else:
+            print("No results key in JSON. The instance may restrict API access.")
+    except Exception as e:
+        print("Error parsing JSON:", e)
+else:
+    print("Request failed with status:", response.status_code)
+