diff --git a/async-bot.py b/async-bot.py
index 4b337be..c9dbe2b 100644
--- a/async-bot.py
+++ b/async-bot.py
@@ -108,13 +108,17 @@ class AsyncBotManager:
             async with AsyncSimpleClient(http_session=http) as sio:
                 await sio.connect(f"{self.base}/socket.io")
                 while not self._shutdown:
-                    index, expected = choice(list(self.difference.items()))
-                    y, x = divmod(index, 1000)
-                    current = self.canvas.getpixel((x, y)) > 0  # type: ignore
-                    if current != expected:
-                        print(bot_index, "swap", x, y)
-                        await sio.emit("toggle_bit", {"index": index})
-                        await asyncio.sleep(0.25)
+                    diff = list(self.difference.items())
+                    for _ in range(100):
+                        index, expected = choice(diff)
+                        y, x = divmod(index, 1000)
+                        current = self.canvas.getpixel((x, y)) > 0  # type: ignore
+                        if current != expected:
+                            print(f"[{bot_index:2d}] swap {x:3d} {y:3d}")
+                            await sio.emit("toggle_bit", {"index": index})
+                            await asyncio.sleep(0.25)
+                            break
+                    await asyncio.sleep(0.1)
 
     async def __aenter__(self):
         self._listener_task = asyncio.create_task(self.listener())