{"task_index": 0, "task": "Sweep the red cube, then the green cube, then the blue cube into the dustpan."}
{"task_index": 1, "task": "Sweep the green cube, then the blue cube, then the red cube into the dustpan."}
{"task_index": 2, "task": "Sweep the blue cube, then the red cube, then the green cube into the dustpan."}